diff --git a/src/common/Common.h b/src/common/Common.h
index 9753f4db..0abe0ac9 100644
--- a/src/common/Common.h
+++ b/src/common/Common.h
@@ -538,6 +538,14 @@ namespace Sapphire::Common
     Unaspected = 7    // Doesn't imply magical unaspected damage - could be unaspected physical
   };
 
+  enum ActionCostType : uint8_t
+  {
+    MagicPoints = 3,
+    TacticsPoints = 5,
+    ClassGaugeWAR = 22,
+    AetherflowStack = 30,
+  };
+
   enum class ActionType : int8_t
   {
     WeaponOverride = -1, // Needs more investigation (takes the damage type of the equipped weapon)?
diff --git a/src/world/Action/Action.cpp b/src/world/Action/Action.cpp
index 46933161..80bcded9 100644
--- a/src/world/Action/Action.cpp
+++ b/src/world/Action/Action.cpp
@@ -30,6 +30,9 @@ Sapphire::Action::Action::Action( Entity::CharaPtr caster, uint32_t actionId,
                                   m_startTime( 0 )
 {
   m_castTime = static_cast< uint32_t >( action->cast100ms ) * 100;
+
+  m_costType = static_cast< Common::ActionCostType >( action->costType );
+  m_cost = action->cost;
 }
 
 uint32_t Sapphire::Action::Action::getId() const
diff --git a/src/world/Action/Action.h b/src/world/Action/Action.h
index 12c32684..dea371ec 100644
--- a/src/world/Action/Action.h
+++ b/src/world/Action/Action.h
@@ -79,6 +79,9 @@ namespace Sapphire::Action
     uint32_t m_id;
     Common::HandleActionType m_type;
 
+    Common::ActionCostType m_costType;
+    uint16_t m_cost;
+
     uint64_t m_startTime;
     uint32_t m_castTime;