diff --git a/src/common/Common.h b/src/common/Common.h
index d86e57a0..a5d60a91 100644
--- a/src/common/Common.h
+++ b/src/common/Common.h
@@ -537,19 +537,19 @@ namespace Sapphire::Common
     Unaspected = 7    // Doesn't imply magical unaspected damage - could be unaspected physical
   };
 
-  enum class ActionCostType : uint8_t
+  enum class ActionPrimaryCostType : uint8_t
   {
-    None = 0, // ?
+//    None = 0, // ?
     MagicPoints = 3,
     TacticsPoints = 5,
-    WARGauge = 22,
-    DRKGauge = 25,
-    AetherflowStack = 30,
-    Status = 32,
-    PLDGauge = 41,
-    RDMGaugeBoth = 74,
-//  RDMGaugeBlack = 75, // not right?
-    DRGGauge3Eyes = 76,
+//    WARGauge = 22,
+//    DRKGauge = 25,
+//    AetherflowStack = 30,
+//    Status = 32,
+//    PLDGauge = 41,
+//    RDMGaugeBoth = 74,
+////  RDMGaugeBlack = 75, // not right?
+//    DRGGauge3Eyes = 76,
   };
 
   enum class ActionType : int8_t
diff --git a/src/scripts/action/common/ActionReturn6.cpp b/src/scripts/action/common/ActionReturn6.cpp
index f74c5d0d..19737104 100644
--- a/src/scripts/action/common/ActionReturn6.cpp
+++ b/src/scripts/action/common/ActionReturn6.cpp
@@ -12,7 +12,7 @@ public:
   {
   }
 
-  void onCastFinish( Sapphire::Action::Action& currentAction ) override
+  void onFinish( Sapphire::Action::Action& currentAction ) override
   {
     if( !currentAction.getSourceChara()->isPlayer() )
       return;
diff --git a/src/scripts/action/common/ActionSprint3.cpp b/src/scripts/action/common/ActionSprint3.cpp
index f0655f29..1ccce78e 100644
--- a/src/scripts/action/common/ActionSprint3.cpp
+++ b/src/scripts/action/common/ActionSprint3.cpp
@@ -11,7 +11,7 @@ public:
   {
   }
 
-  void onCastFinish( Sapphire::Action::Action& currentAction ) override
+  void onFinish( Sapphire::Action::Action& currentAction ) override
   {
     auto sourceChara = currentAction.getSourceChara();
 
diff --git a/src/scripts/action/playeractions/archer/ActionHeavyShot97.cpp b/src/scripts/action/playeractions/archer/ActionHeavyShot97.cpp
index c762c523..8e59f470 100644
--- a/src/scripts/action/playeractions/archer/ActionHeavyShot97.cpp
+++ b/src/scripts/action/playeractions/archer/ActionHeavyShot97.cpp
@@ -12,9 +12,10 @@ public:
   {
   }
 
-  void onCharaHit( Sapphire::Action::Action& currentAction, Sapphire::Entity::Chara& hitActor ) override
+  void onFinish( Sapphire::Action::Action& currentAction ) override
   {
-    currentAction.damageTarget( 150, hitActor );
+    if( auto player = currentAction.getSourceChara()->getAsPlayer() )
+      player->sendDebug( "Imagine you just hit an enemy for 150 potency. Incredible, right?" );
   }
 
 };
diff --git a/src/world/Action/Action.cpp b/src/world/Action/Action.cpp
index 2f8c472d..3a6806b3 100644
--- a/src/world/Action/Action.cpp
+++ b/src/world/Action/Action.cpp
@@ -27,7 +27,7 @@ Sapphire::Action::Action::Action() = default;
 Sapphire::Action::Action::~Action() = default;
 
 Sapphire::Action::Action::Action( Entity::CharaPtr caster, uint32_t actionId,
-                                  Data::ActionPtr action, FrameworkPtr fw ) :
+                                  Data::ActionPtr actionData, FrameworkPtr fw ) :
                                   m_pSource( std::move( caster ) ),
                                   m_pFw( std::move( fw ) ),
                                   m_id( actionId ),
@@ -35,17 +35,19 @@ Sapphire::Action::Action::Action( Entity::CharaPtr caster, uint32_t actionId,
                                   m_interruptType( Common::ActionInterruptType::None ),
                                   m_hasResidentTarget( false )
 {
-  m_castTime = static_cast< uint32_t >( action->cast100ms * 100 );
-  m_recastTime = static_cast< uint16_t >( action->recast100ms * 100 );
-  m_cooldownGroup = action->cooldownGroup;
-  m_range = action->range;
-  m_effectRange = action->effectRange;
-  m_aspect = static_cast< Common::ActionAspect >( action->aspect );
+  m_actionData = actionData;
+
+  m_castTime = static_cast< uint32_t >( actionData->cast100ms * 100 );
+  m_recastTime = static_cast< uint16_t >( actionData->recast100ms * 100 );
+  m_cooldownGroup = actionData->cooldownGroup;
+  m_range = actionData->range;
+  m_effectRange = actionData->effectRange;
+  m_aspect = static_cast< Common::ActionAspect >( actionData->aspect );
 
   // a default range is set by the game for the class/job
   if( m_range == -1 )
   {
-    switch( static_cast< Common::ClassJob >( action->classJob ) )
+    switch( static_cast< Common::ClassJob >( actionData->classJob ) )
     {
       case Common::ClassJob::Bard:
       case Common::ClassJob::Archer:
@@ -57,12 +59,10 @@ Sapphire::Action::Action::Action( Entity::CharaPtr caster, uint32_t actionId,
     }
   }
 
-  m_actionCost.fill( { Common::ActionCostType::None, 0 } );
+  m_primaryCostType = static_cast< Common::ActionPrimaryCostType >( actionData->costType );
+  m_primaryCost = actionData->cost;
 
-  m_actionCost[ 0 ] = {
-    static_cast< Common::ActionCostType >( action->costType ),
-    action->cost
-  };
+  // todo: add missing rows for secondaryCostType/secondaryCostType and rename the current rows to primaryCostX
 
   calculateActionCost();
 }
@@ -145,7 +145,7 @@ bool Sapphire::Action::Action::update()
 
   if( isInterrupted() )
   {
-    castInterrupt();
+    onInterrupt();
     return true;
   }
 
@@ -158,14 +158,14 @@ bool Sapphire::Action::Action::update()
 
   if( !hasCastTime() || std::difftime( currTime, m_startTime ) > m_castTime )
   {
-    castFinish();
+    onExecute();
     return true;
   }
 
   return false;
 }
 
-void Sapphire::Action::Action::castStart()
+void Sapphire::Action::Action::onStart()
 {
   assert( m_pSource );
 
@@ -193,14 +193,14 @@ void Sapphire::Action::Action::castStart()
   }
 
   auto pScriptMgr = m_pFw->get< Scripting::ScriptMgr >();
-  if( !pScriptMgr->onCastStart( *this ) )
+  if( !pScriptMgr->onStart( *this ) )
   {
     // script not implemented
-    castInterrupt();
+    onInterrupt();
 
     if( player )
     {
-      player->sendUrgent( "Action not implemented, missing script for actionId#{0}", getId() );
+      player->sendUrgent( "Action not implemented, missing script for action#{0}", getId() );
       player->setCurrentAction( nullptr );
     }
 
@@ -209,10 +209,10 @@ void Sapphire::Action::Action::castStart()
 
   // instantly finish cast if there's no cast time
   if( !hasCastTime() )
-    castFinish();
+    onExecute();
 }
 
-void Sapphire::Action::Action::castInterrupt()
+void Sapphire::Action::Action::onInterrupt()
 {
   assert( m_pSource );
 
@@ -246,10 +246,10 @@ void Sapphire::Action::Action::castInterrupt()
   }
 
   auto pScriptMgr = m_pFw->get< Scripting::ScriptMgr >();
-  pScriptMgr->onCastInterrupt( *this );
+  pScriptMgr->onInterrupt( *this );
 }
 
-void Sapphire::Action::Action::castFinish()
+void Sapphire::Action::Action::onExecute()
 {
   assert( m_pSource );
 
@@ -257,170 +257,60 @@ void Sapphire::Action::Action::castFinish()
 
   if( hasCastTime() )
   {
+    // todo: what's this?
     /*auto control = ActorControlPacket143( m_pTarget->getId(), ActorControlType::Unk7,
                                             0x219, m_id, m_id, m_id, m_id );
     m_pSource->sendToInRangeSet( control, true );*/
 
   }
 
-  pScriptMgr->onCastFinish( *this );
-
   if( !hasResidentTarget() )
   {
     assert( m_pTarget );
-    // todo: calculate final hit targets and call onCharaHit in action script
-    pScriptMgr->onCharaHit( *this, *m_pTarget );
+    pScriptMgr->onExecute( *this );
   }
   else if( auto player = m_pSource->getAsPlayer() )
   {
     pScriptMgr->onEObjHit( *player, m_targetId );
     return;
   }
-
-  buildEffectPackets();
-}
-
-void Sapphire::Action::Action::buildEffectPackets()
-{
-  for( int i = 0; i < EffectPacketIdentity::MAX_ACTION_EFFECT_PACKET_IDENT; ++i )
-  {
-    auto& packetData = m_effects[ static_cast< EffectPacketIdentity >( i ) ];
-
-    auto actorsHit = packetData.m_hitActors.size();
-    if( actorsHit == 0 )
-      continue;
-
-    // get effect sequence
-    auto zone = m_pSource->getCurrentZone();
-    assert( zone );
-
-    auto sequence = zone->getNextEffectSequence();
-
-    if( actorsHit == 1 )
-    {
-      // send normal effect
-      auto effectPacket = std::make_shared< Network::Packets::Server::EffectPacket >( m_pSource->getId(), m_pTarget->getId(), getId() );
-      effectPacket->setTargetActor( packetData.m_hitActors[ 0 ] );
-      effectPacket->setSequence( sequence );
-      effectPacket->setDisplayType( Common::ActionEffectDisplayType::ShowActionName );
-
-      for( auto& effect : packetData.m_entries )
-      {
-        effectPacket->addEffect( effect );
-      }
-
-      m_pSource->sendToInRangeSet( effectPacket, true );
-    }
-    else
-    {
-      // todo: aoe effects
-    }
-  }
-}
-
-void Sapphire::Action::Action::damageTarget( uint16_t potency, Entity::Chara& chara )
-{
-  // todo: scale potency into damage from stats
-
-  Common::EffectEntry entry{};
-
-  // todo: handle cases where the action misses/is blocked?
-  entry.effectType = Common::ActionEffectType::Damage;
-
-  // todo: handle crits
-  entry.hitSeverity = Common::ActionHitSeverityType::NormalDamage;
-
-  // todo: handle > 65535 damage values, not sure if this is right?
-  if( potency > 65535 )
-  {
-    entry.value = static_cast< int16_t >( potency / 10 );
-    // todo: rename this? need to confirm how it works again
-    entry.valueMultiplier = 1;
-  }
-  else
-    entry.value = static_cast< int16_t >( potency );
-
-  // add to aggro table
-  // todo: probably move this into takeDamage? this is pretty garbage
-  if( chara.isBattleNpc() )
-  {
-    auto bNpc = chara.getAsBNpc();
-    if( bNpc )
-    {
-      if( bNpc->getStance() != Common::Stance::Active )
-      {
-        bNpc->aggro( getSourceChara() );
-        bNpc->hateListUpdate( getSourceChara(), potency );
-      }
-      else
-      {
-        bNpc->hateListUpdate( getSourceChara(), potency );
-      }
-    }
-  }
-
-  // todo: aspected damage?
-  chara.takeDamage( potency );
-
-  if( auto player = m_pSource->getAsPlayer() )
-    player->sendDebug( "hit actorId#{0} for potency: {1}", chara.getId(), potency );
-
-  m_effects[ EffectPacketIdentity::DamageEffect ].m_entries.emplace_back( entry );
-
-  // todo: make sure that we don't add the same actor more than once
-  m_effects[ EffectPacketIdentity::DamageEffect ].m_hitActors.emplace_back( chara.getId() );
-}
-
-void Sapphire::Action::Action::healTarget( uint16_t potency, Entity::Chara& chara )
-{
-  // todo: scale potency into healing from stats
-
-  Common::EffectEntry entry{};
-
-  entry.effectType = Common::ActionEffectType::Heal;
-
-  // todo: handle crits
-  entry.hitSeverity = Common::ActionHitSeverityType::NormalHeal;
-
-  // todo: handle > 65535 healing values, not sure if this is right?
-  if( potency > 65535 )
-  {
-    entry.value = static_cast< int16_t >( potency / 10 );
-    // todo: rename this? need to confirm how it works again
-    entry.valueMultiplier = 1;
-  }
-  else
-    entry.value = static_cast< int16_t >( potency );
-
-  chara.heal( potency );
-
-  if( auto player = m_pSource->getAsPlayer() )
-    player->sendDebug( "hit actorId#{0} for heal: {1}", chara.getId(), potency );
-
-  m_effects[ EffectPacketIdentity::HealingEffect ].m_entries.emplace_back( entry );
-
-  // todo: make sure that we don't add the same actor more than once
-  m_effects[ EffectPacketIdentity::HealingEffect ].m_hitActors.emplace_back( chara.getId() );
-}
-
-const Sapphire::Action::Action::ActionCostArray& Sapphire::Action::Action::getCostArray() const
-{
-  return m_actionCost;
 }
 
 void Sapphire::Action::Action::calculateActionCost()
 {
-  for( uint8_t i = 0; i < m_actionCost.size(); ++i )
+  // todo: just a test handler for now to get MP output for each cast, not sure where we should put this
+  // check primary cost
+  switch( m_primaryCostType )
   {
-    auto& entry = m_actionCost[ i ];
+    case ActionPrimaryCostType::MagicPoints:
+    {
+      calculateMPCost( m_primaryCost );
+      break;
+    }
 
-    if( entry.m_costType == ActionCostType::MagicPoints )
-      calculateMPCost( i );
+    case ActionPrimaryCostType::TacticsPoints:
+    {
+      break;
+    }
+
+
+    default:
+    {
+      if( auto player = m_pSource->getAsPlayer() )
+      {
+        player->sendDebug( "action#{0} is missing a handler for cost type: {1}",
+                           m_id, static_cast< uint8_t >( m_primaryCostType ) );
+      }
+
+      break;
+    }
   }
+
+  // todo: secondary cost type needs to be handled
 }
 
 // todo: this shouldn't be in action and instead be in some general stat calc util
-void Sapphire::Action::Action::calculateMPCost( uint8_t costArrayIndex )
+void Sapphire::Action::Action::calculateMPCost( uint16_t baseCost )
 {
   auto level = m_pSource->getLevel();
 
@@ -429,9 +319,7 @@ void Sapphire::Action::Action::calculateMPCost( uint8_t costArrayIndex )
   // dividing by 10 on the border will break this unless we subtract 1
   auto levelGroup = std::max< uint8_t >( level - 1, 1 ) / 10;
 
-  auto& costEntry = m_actionCost[ costArrayIndex ];
-
-  float cost = costEntry.m_cost;
+  float cost = baseCost;
 
   // thanks to andrew for helping me figure this shit out, should be pretty accurate
   switch( levelGroup )
@@ -444,7 +332,7 @@ void Sapphire::Action::Action::calculateMPCost( uint8_t costArrayIndex )
       break;
     }
 
-      // level 11-20
+    // level 11-20
     case 1:
     {
       // r^2 = 1
@@ -452,7 +340,7 @@ void Sapphire::Action::Action::calculateMPCost( uint8_t costArrayIndex )
       break;
     }
 
-      // level 21-30
+    // level 21-30
     case 2:
     {
       // r^2 = 1
@@ -460,7 +348,7 @@ void Sapphire::Action::Action::calculateMPCost( uint8_t costArrayIndex )
       break;
     }
 
-      // level 31-40
+    // level 31-40
     case 3:
     {
       // r^2 = 1
@@ -476,7 +364,7 @@ void Sapphire::Action::Action::calculateMPCost( uint8_t costArrayIndex )
       break;
     }
 
-      // level 51-60
+    // level 51-60
     case 5:
     {
       // r^2 = 1
@@ -484,7 +372,7 @@ void Sapphire::Action::Action::calculateMPCost( uint8_t costArrayIndex )
       break;
     }
 
-      // level 61-70
+    // level 61-70
     case 6:
     {
       // r^2 = 0.9998
@@ -496,9 +384,70 @@ void Sapphire::Action::Action::calculateMPCost( uint8_t costArrayIndex )
       return;
   }
 
-  // m_cost is the base cost, cost is the multiplier for the current player level
-  costEntry.m_cost = static_cast< uint16_t >( std::round( cost * costEntry.m_cost ) );
+  // m_primaryCost is the base cost, cost is the multiplier for the current player level
+  m_primaryCost = static_cast< uint16_t >( std::round( cost * baseCost ) );
 
   if( auto player = m_pSource->getAsPlayer() )
-    player->sendDebug( "calculated mp cost: {0}", costEntry.m_cost );
+    player->sendDebug( "calculated mp cost: {0}", m_primaryCost );
+}
+
+bool Sapphire::Action::Action::precheck()
+{
+  if( auto player = m_pSource->getAsPlayer() )
+  {
+    if( !playerPrecheck( *player ) )
+      return false;
+  }
+
+  return true;
+}
+
+bool Sapphire::Action::Action::playerPrecheck( Entity::Player& player )
+{
+  // lol
+  if( !player.isAlive() )
+    return false;
+
+  // npc actions/non player actions
+  if( m_actionData->classJob == -1 )
+    return false;
+
+  if( player.getLevel() < m_actionData->classJobLevel )
+    return false;
+
+  auto currentClass = player.getClass();
+  auto actionClass = static_cast< Common::ClassJob >( m_actionData->classJob );
+
+  if( actionClass != Common::ClassJob::Adventurer && currentClass != actionClass )
+  {
+    // check if not a base class action
+    auto exdData = m_pFw->get< Data::ExdDataGenerated >();
+    assert( exdData );
+
+    auto classJob = exdData->get< Data::ClassJob >( static_cast< uint8_t >( currentClass ) );
+    if( !classJob )
+      return false;
+
+    if( classJob->classJobParent != m_actionData->classJob )
+      return false;
+  }
+
+  // reset target on actions that can only be casted on yourself while having a target set
+  // todo: check what actions send when targeting an enemy
+  if( m_actionData->canTargetSelf &&
+      !m_actionData->canTargetFriendly &&
+      !m_actionData->canTargetHostile &&
+      !m_actionData->canTargetParty )
+  {
+    setTargetChara( getSourceChara() );
+  }
+
+  // todo: party/enemy validation
+
+  // validate range
+
+
+  // todo: validate costs/conditionals here
+
+  return true;
 }
\ No newline at end of file
diff --git a/src/world/Action/Action.h b/src/world/Action/Action.h
index 66b2bd93..af0928fc 100644
--- a/src/world/Action/Action.h
+++ b/src/world/Action/Action.h
@@ -18,16 +18,9 @@ namespace Sapphire::Action
   {
 
   public:
-    struct ActionCostEntry
-    {
-      Common::ActionCostType m_costType;
-      uint16_t m_cost;
-    };
-
-    using ActionCostArray = std::array< ActionCostEntry, 2 >;
 
     Action();
-    Action( Entity::CharaPtr caster, uint32_t actionId, Data::ActionPtr action, FrameworkPtr fw );
+    Action( Entity::CharaPtr caster, uint32_t actionId, Data::ActionPtr actionData, FrameworkPtr fw );
 
     virtual ~Action();
 
@@ -53,36 +46,34 @@ namespace Sapphire::Action
      */
     bool hasResidentTarget() const;
 
-    const ActionCostArray& getCostArray() const;
-
     /*!
      * @brief Tests whether the action is instantly usable or has a cast assoc'd with it
      * @return true if action has a cast time
      */
     bool hasCastTime() const;
 
-    void buildEffectPackets();
-
     /*!
-     * @brief Damages a target and adds the effect entry
-     * @param potency The amount of damage the target takes
-     * @param chara The chara to inflict damage upon
+     * @brief Tests if an action is castable by the current source chara
+     * @return true if castable, false if the caster doesn't meet the requirements
      */
-    void damageTarget( uint16_t potency, Entity::Chara& chara );
-
-    /*!
-     * @brief Heals a target and adds the effect entry
-     * @param potency Amount of healing to apply
-     * @param chara Chara to receive healing
-     */
-    void healTarget( uint16_t potency, Entity::Chara& chara );
+    bool precheck();
 
     /*!
      * @brief Starts the cast. Finishes it immediately if there is no cast time (weaponskills).
      */
-    virtual void castStart();
-    virtual void castFinish();
-    virtual void castInterrupt();
+    virtual void onStart();
+
+    /*!
+     * @brief Finishes the cast, effected targets are calculated here.
+     */
+    virtual void onExecute();
+
+    /*!
+     * @brief Called when a cast is interrupted for any reason
+     *
+     * m_interruptType will have the reason why the action was interrupted (eg. damage, movement, ...)
+     */
+    virtual void onInterrupt();
 
     // update action, if returns true, action is done and has to be removed from the actor
     virtual bool update();
@@ -90,31 +81,14 @@ namespace Sapphire::Action
   protected:
 
     void calculateActionCost();
-    void calculateMPCost( uint8_t costArrayIndex );
+    void calculateMPCost( uint16_t baseCost );
 
-    /*!
-     * @brief Some actions are capable of both healing and dealing damage. This identifies them.
-     */
-    enum EffectPacketIdentity : uint8_t
-    {
-      DamageEffect,
-      HealingEffect,
-
-      MAX_ACTION_EFFECT_PACKET_IDENT
-    };
-
-    struct EffectPacketData
-    {
-      std::vector< Common::EffectEntry > m_entries;
-      std::vector< uint32_t > m_hitActors;
-    };
+    bool playerPrecheck( Entity::Player& player );
 
     uint32_t m_id;
 
-    Common::ActionCostType m_costType;
-    uint16_t m_cost;
-
-    ActionCostArray m_actionCost;
+    Common::ActionPrimaryCostType m_primaryCostType;
+    uint16_t m_primaryCost;
 
     uint64_t m_startTime;
     uint32_t m_castTime;
@@ -124,6 +98,7 @@ namespace Sapphire::Action
     uint8_t m_effectRange;
     Common::ActionAspect m_aspect;
 
+
     Entity::CharaPtr m_pSource;
     Entity::CharaPtr m_pTarget;
     uint64_t m_targetId;
@@ -132,10 +107,9 @@ namespace Sapphire::Action
     Common::ActionInterruptType m_interruptType;
 
     FrameworkPtr m_pFw;
+    Data::ActionPtr m_actionData;
 
     Common::FFXIVARR_POSITION3 m_pos;
-
-    std::array< EffectPacketData, MAX_ACTION_EFFECT_PACKET_IDENT > m_effects;
   };
 }
 
diff --git a/src/world/Action/EventAction.cpp b/src/world/Action/EventAction.cpp
index 84be1368..6773785d 100644
--- a/src/world/Action/EventAction.cpp
+++ b/src/world/Action/EventAction.cpp
@@ -35,7 +35,7 @@ Sapphire::Action::EventAction::EventAction( Entity::CharaPtr pActor, uint32_t ev
 
 Sapphire::Action::EventAction::~EventAction() = default;
 
-void Sapphire::Action::EventAction::castStart()
+void Sapphire::Action::EventAction::onStart()
 {
   if( !m_pSource )
     return;
@@ -54,7 +54,7 @@ void Sapphire::Action::EventAction::castStart()
     m_pSource->sendToInRangeSet( control );
 }
 
-void Sapphire::Action::EventAction::castFinish()
+void Sapphire::Action::EventAction::onExecute()
 {
   if( !m_pSource )
     return;
@@ -90,7 +90,7 @@ void Sapphire::Action::EventAction::castFinish()
 
 }
 
-void Sapphire::Action::EventAction::castInterrupt()
+void Sapphire::Action::EventAction::onInterrupt()
 {
   if( !m_pSource )
     return;
diff --git a/src/world/Action/EventAction.h b/src/world/Action/EventAction.h
index 2db43c37..898bf4b4 100644
--- a/src/world/Action/EventAction.h
+++ b/src/world/Action/EventAction.h
@@ -18,11 +18,11 @@ public:
   EventAction( Entity::CharaPtr pActor, uint32_t eventId, uint16_t action,
                ActionCallback finishRef, ActionCallback interruptRef, uint64_t additional, FrameworkPtr pFw );
 
-  void castStart() override;
+  void onStart() override;
 
-  void castFinish() override;
+  void onExecute() override;
 
-  void castInterrupt() override;
+  void onInterrupt() override;
 
 private:
   uint32_t m_eventId;
diff --git a/src/world/Actor/PlayerEvent.cpp b/src/world/Actor/PlayerEvent.cpp
index e4c27afc..52c4d82e 100644
--- a/src/world/Actor/PlayerEvent.cpp
+++ b/src/world/Actor/PlayerEvent.cpp
@@ -303,7 +303,7 @@ void Sapphire::Entity::Player::eventActionStart( uint32_t eventId,
     pEvent->setPlayedScene( true );
 
   setCurrentAction( pEventAction );
-  pEventAction->castStart();
+  pEventAction->onStart();
 }
 
 
@@ -318,7 +318,7 @@ void Sapphire::Entity::Player::eventItemActionStart( uint32_t eventId,
 //
 //  setCurrentAction( pEventItemAction );
 //
-//  pEventItemAction->onCastStart();
+//  pEventItemAction->onStart();
 }
 
 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/world/Manager/ActionMgr.cpp b/src/world/Manager/ActionMgr.cpp
index 3e26105b..0dbc4931 100644
--- a/src/world/Manager/ActionMgr.cpp
+++ b/src/world/Manager/ActionMgr.cpp
@@ -29,7 +29,7 @@ void World::Manager::ActionMgr::handleAoEPlayerAction( Entity::Player& player, u
   if( !actionData->targetArea )
   {
     // not an action that has an aoe, cancel it
-    action->castInterrupt();
+    action->onInterrupt();
     return;
   }
 
@@ -44,7 +44,7 @@ void World::Manager::ActionMgr::handleTargetedPlayerAction( Entity::Player& play
   // cancel any aoe actions casted with this packet
   if( actionData->targetArea )
   {
-    action->castInterrupt();
+    action->onInterrupt();
     return;
   }
 
@@ -99,10 +99,10 @@ void World::Manager::ActionMgr::bootstrapAction( Entity::Player& player,
                                                  Action::ActionPtr currentAction,
                                                  Data::Action& actionData )
 {
-  if( !canPlayerUseAction( player, *currentAction, actionData ) )
+  if( !currentAction->precheck() )
   {
     // forcefully interrupt the action and reset the cooldown
-    currentAction->castInterrupt();
+    currentAction->onInterrupt();
     return;
   }
 
@@ -113,63 +113,7 @@ void World::Manager::ActionMgr::bootstrapAction( Entity::Player& player,
   }
 
   // todo: what do in cases of swiftcast/etc? script callback?
-  currentAction->castStart();
-}
-
-bool World::Manager::ActionMgr::canPlayerUseAction( Entity::Player& player,
-                                                    Action::Action& currentAction,
-                                                    Data::Action& actionData )
-{
-  // lol
-  if( !player.isAlive() )
-    return false;
-
-  // npc actions/non player actions
-  if( actionData.classJob == -1 )
-    return false;
-
-  if( player.getLevel() < actionData.classJobLevel )
-    return false;
-
-  auto currentClass = player.getClass();
-  auto actionClass = static_cast< Common::ClassJob >( actionData.classJob );
-
-  if( actionClass != Common::ClassJob::Adventurer && currentClass != actionClass )
-  {
-    // check if not a base class action
-    auto exdData = framework()->get< Data::ExdDataGenerated >();
-    assert( exdData );
-
-    auto classJob = exdData->get< Data::ClassJob >( static_cast< uint8_t >( currentClass ) );
-    if( !classJob )
-      return false;
-
-    if( classJob->classJobParent != actionData.classJob )
-      return false;
-  }
-
-  // reset target on actions that can only be casted on yourself while having a target set
-  // todo: check what actions send when targeting an enemy
-  if( actionData.canTargetSelf &&
-      !actionData.canTargetFriendly &&
-      !actionData.canTargetHostile &&
-      !actionData.canTargetParty )
-  {
-    currentAction.setTargetChara( currentAction.getSourceChara() );
-  }
-
-  // todo: party/enemy validation
-
-  // validate range
-
-
-  auto& actionCost = currentAction.getCostArray();
-  for( uint8_t i = 0; i < actionCost.size(); ++i )
-  {
-    // todo: validate costs/conditionals here
-  }
-
-  return true;
+  currentAction->onStart();
 }
 
 void World::Manager::ActionMgr::handleItemActionVFX( Sapphire::Entity::Player& player, uint32_t itemId, uint16_t vfxId )
diff --git a/src/world/Manager/ActionMgr.h b/src/world/Manager/ActionMgr.h
index 2e77ad44..67d2ea5f 100644
--- a/src/world/Manager/ActionMgr.h
+++ b/src/world/Manager/ActionMgr.h
@@ -31,7 +31,6 @@ namespace Sapphire::World::Manager
 
   private:
     void bootstrapAction( Entity::Player& player, Action::ActionPtr currentAction, Data::Action& actionData );
-    bool canPlayerUseAction( Entity::Player& player, Action::Action& currentAction, Data::Action& actionData );
 
     // item action handlers
     void handleItemActionVFX( Entity::Player& player, uint32_t itemId, uint16_t vfxId );
diff --git a/src/world/Script/NativeScriptApi.cpp b/src/world/Script/NativeScriptApi.cpp
index 5c98b2e3..d966d207 100644
--- a/src/world/Script/NativeScriptApi.cpp
+++ b/src/world/Script/NativeScriptApi.cpp
@@ -88,19 +88,15 @@ namespace Sapphire::ScriptAPI
   {
   }
 
-  void ActionScript::onCastStart( Sapphire::Action::Action& currentAction )
+  void ActionScript::onStart( Sapphire::Action::Action& currentAction )
   {
   }
 
-  void ActionScript::onCastFinish( Sapphire::Action::Action& currentAction )
+  void ActionScript::onFinish( Sapphire::Action::Action& currentAction )
   {
   }
 
-  void ActionScript::onCastInterrupt( Sapphire::Action::Action& currentAction )
-  {
-  }
-
-  void ActionScript::onCharaHit( Sapphire::Action::Action& currentAction, Sapphire::Entity::Chara& hitActor )
+  void ActionScript::onInterrupt( Sapphire::Action::Action& currentAction )
   {
   }
 
diff --git a/src/world/Script/NativeScriptApi.h b/src/world/Script/NativeScriptApi.h
index 82de8d9f..a4040536 100644
--- a/src/world/Script/NativeScriptApi.h
+++ b/src/world/Script/NativeScriptApi.h
@@ -140,13 +140,11 @@ namespace Sapphire::ScriptAPI
   public:
     explicit ActionScript( uint32_t abilityId );
 
-    virtual void onCastStart( Sapphire::Action::Action& currentAction );
+    virtual void onStart( Sapphire::Action::Action& currentAction );
 
-    virtual void onCastFinish( Sapphire::Action::Action& currentAction );
+    virtual void onFinish( Sapphire::Action::Action& currentAction );
 
-    virtual void onCastInterrupt( Sapphire::Action::Action& currentAction );
-
-    virtual void onCharaHit( Sapphire::Action::Action& currentAction, Sapphire::Entity::Chara& hitActor );
+    virtual void onInterrupt( Sapphire::Action::Action& currentAction );
   };
 
   /*!
diff --git a/src/world/Script/ScriptMgr.cpp b/src/world/Script/ScriptMgr.cpp
index c002cfe2..064cba39 100644
--- a/src/world/Script/ScriptMgr.cpp
+++ b/src/world/Script/ScriptMgr.cpp
@@ -328,50 +328,37 @@ bool Sapphire::Scripting::ScriptMgr::onEObjHit( Sapphire::Entity::Player& player
   return didCallScript;
 }
 
-bool Sapphire::Scripting::ScriptMgr::onCastFinish( Action::Action& currentAction )
+bool Sapphire::Scripting::ScriptMgr::onExecute( Action::Action& currentAction )
 {
   auto script = m_nativeScriptMgr->getScript< Sapphire::ScriptAPI::ActionScript >( currentAction.getId() );
 
   if( script )
   {
-    script->onCastFinish( currentAction );
+    script->onFinish( currentAction );
     return true;
   }
   return false;
 }
 
-bool Sapphire::Scripting::ScriptMgr::onCastInterrupt( Action::Action& currentAction )
+bool Sapphire::Scripting::ScriptMgr::onInterrupt( Action::Action& currentAction )
 {
   auto script = m_nativeScriptMgr->getScript< Sapphire::ScriptAPI::ActionScript >( currentAction.getId() );
 
   if( script )
   {
-    script->onCastInterrupt( currentAction );
+    script->onInterrupt( currentAction );
     return true;
   }
   return false;
 }
 
-bool Sapphire::Scripting::ScriptMgr::onCastStart( Action::Action& currentAction )
+bool Sapphire::Scripting::ScriptMgr::onStart( Action::Action& currentAction )
 {
   auto script = m_nativeScriptMgr->getScript< Sapphire::ScriptAPI::ActionScript >( currentAction.getId() );
 
   if( script )
   {
-    script->onCastStart( currentAction );
-    return true;
-  }
-
-  return false;
-}
-
-bool Sapphire::Scripting::ScriptMgr::onCharaHit( Action::Action& currentAction, Entity::Chara& hitActor )
-{
-  auto script = m_nativeScriptMgr->getScript< Sapphire::ScriptAPI::ActionScript >( currentAction.getId() );
-
-  if( script )
-  {
-    script->onCharaHit( currentAction, hitActor );
+    script->onStart( currentAction );
     return true;
   }
 
diff --git a/src/world/Script/ScriptMgr.h b/src/world/Script/ScriptMgr.h
index 74fbc26e..03893e91 100644
--- a/src/world/Script/ScriptMgr.h
+++ b/src/world/Script/ScriptMgr.h
@@ -72,10 +72,11 @@ namespace Sapphire::Scripting
 
     bool onEObjHit( Entity::Player& player, uint64_t actorId );
 
-    bool onCastStart( Action::Action& currentAction );
-    bool onCastInterrupt( Action::Action& currentAction );
-    bool onCastFinish( Action::Action& currentAction );
-    bool onCharaHit( Action::Action& currentAction, Entity::Chara& hitActor );
+    bool onStart( Action::Action& currentAction );
+
+    bool onInterrupt( Action::Action& currentAction );
+
+    bool onExecute( Action::Action& currentAction );
 
     bool onStatusReceive( Entity::CharaPtr pActor, uint32_t effectId );