Don't drink and code.

Source/Aura/Public/AbilitySystem/AuraAbilitySystemLibrary.h

@@ -6,8 +6,12 @@
 #include "Kismet/BlueprintFunctionLibrary.h"
 #include "UI/WidgetController/AttributeMenuWidgetController.h"
 #include "UI/WidgetController/OverlayWidgetController.h"
+#include "Data/CharacterClassInfo.h"
 #include "AuraAbilitySystemLibrary.generated.h"
 
+class UAbilitySystemComponent;
+class UAttributeMenuWidgetController;
+class UOverlayWidgetController;
 /**
  * 
  */
@@ -23,5 +27,8 @@ public:
 
 	UFUNCTION(BlueprintPure, Category="AuraAbilitySystem|Controller")
 	static UAttributeMenuWidgetController* GetAttributeMenuWidgetController(const UObject* WorldContextObject);
+
+	UFUNCTION(BlueprintCallable, Category="AuraAbilitySystem|Attributes")
+	static void InitializeDefaultAttributes(const UObject* WorldContextObject, ECharacterClass CharacterClass, float Level, UAbilitySystemComponent* ASC);
 	
 };

Source/Aura/Public/AbilitySystem/AuraAttributeSet.h

@@ -173,6 +173,14 @@ public:
 	UFUNCTION()
 	void OnRep_ManaRegeneration(const FGameplayAttributeData& OldManaRegeneration) const;
 
+	/*Meta Attributes
+	 *
+	 */
+	//incoming damage
+	UPROPERTY(BlueprintReadOnly, Category = "Meta Attributes")
+	FGameplayAttributeData IncomingDamage;
+	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, IncomingDamage);
+	
 private:
 	void SetEffectProperties(const FGameplayEffectModCallbackData& Data, FEffectProperties& Props) const;
 };

Source/Aura/Public/AbilitySystem/AuraProjectileSpell.h

@@ -20,11 +20,12 @@ private:
 protected:
 	virtual void ActivateAbility(const FGameplayAbilitySpecHandle Handle, const FGameplayAbilityActorInfo* ActorInfo, const FGameplayAbilityActivationInfo ActivationInfo, const FGameplayEventData* TriggerEventData) override;
 
-	UFUNCTION(BlueprintCallable, Category = "Projectile")
+	UFUNCTION(BlueprintCallable, Category = "Ability Params")
 	void SpawnProjectile(const FVector ProjectileTargetLocation);
 	UPROPERTY(EditAnywhere, BlueprintReadOnly)
 	TSubclassOf<AAuraProjectile> ProjectileClass;
 	
 	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly)
 	TSubclassOf<UGameplayEffect> DamageEffectClass;
+	
 };

Source/Aura/Public/AbilitySystem/GameplayAbility/AuraGameplayAbility.h

@@ -18,5 +18,10 @@ public:
 	
 	UPROPERTY(EditDefaultsOnly, Category = "Input")
 	FGameplayTag StartupInputTag;
-
+	
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Ability Params")
+	FScalableFloat Damage;
+	
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Ability Params")
+	float Level;
 };

Source/Aura/Public/AuraGameplayTags.h

@@ -56,6 +56,8 @@ public:
 	FGameplayTag Input_InputTag_E;
 	FGameplayTag Input_InputTag_Shift;
 
+	FGameplayTag Damage;
+
 private:
 	static FAuraGameplayTags GameplayTags;
 };

Source/Aura/Public/Character/AuraCharacterBase.h

@@ -49,7 +49,7 @@ protected:
 	TSubclassOf<UGameplayEffect> DefaultVitalAttributes;
 	
 	void ApplyEffectToSelf(TSubclassOf<UGameplayEffect> GameplayEffectClass, float Level) const;
-	void InitializeDefaultAttributes() const;
+	virtual void InitializeDefaultAttributes() const;
 
 	void AddCharacterAbilities();
 private:

Source/Aura/Public/Character/AuraEnemy.h

@@ -3,6 +3,7 @@
 #pragma once
 
 #include "CoreMinimal.h"
+#include "AbilitySystem/Data/CharacterClassInfo.h"
 #include "Character/AuraCharacterBase.h"
 #include "Interact/EnemyInterface.h"
 #include "UI/WidgetController/OverlayWidgetController.h"
@@ -35,12 +36,15 @@ public:
 protected:
 	virtual void BeginPlay() override;
 	virtual void InitAbilityActorInfo() override;
+	virtual void InitializeDefaultAttributes() const override;
 
 	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Character Class Defaults")
 	int32 Level = 1;
 	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Character Class Defaults")
 	FText Name;
-
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Character Class Defaults")
+	ECharacterClass CharacterClass = ECharacterClass::Warrior;
+	
 	UPROPERTY(VisibleAnywhere, BlueprintReadOnly)
 	TObjectPtr<UWidgetComponent> HealthBar;
 	

Source/Aura/Public/Game/AuraGameMode.h

@@ -6,6 +6,7 @@
 #include "GameFramework/GameModeBase.h"
 #include "AuraGameMode.generated.h"
 
+class UCharacterClassInfo;
 /**
  * 
  */
@@ -13,5 +14,8 @@ UCLASS()
 class AURA_API AAuraGameMode : public AGameModeBase
 {
 	GENERATED_BODY()
-	
+
+public:
+	UPROPERTY(EditDefaultsOnly, Category = "Class Defaults")
+	TObjectPtr<UCharacterClassInfo> CharacterClassInfo;
 };