Further work on the script interface rework

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Aftermath.cs

@@ -7,7 +7,7 @@ namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
 /// <see href="https://bulbapedia.bulbagarden.net/wiki/Aftermath_(Ability)">Bulbapedia - Aftermath</see>
 /// </summary>
 [Script(ScriptCategory.Ability, "aftermath")]
-public class Aftermath : Script, IScriptOnIncomingHit
+public class Aftermath : Script, IScriptOnIncomingHit, IScriptOnFaint
 {
     private IExecutingMove? _lastAttack;
 
@@ -18,7 +18,7 @@ public class Aftermath : Script, IScriptOnIncomingHit
     }
 
     /// <inheritdoc />
-    public override void OnFaint(IPokemon pokemon, DamageSource source)
+    public void OnFaint(IPokemon pokemon, DamageSource source)
     {
         if (source != DamageSource.MoveDamage)
             return;