add non-attribute XP and threat to enemy stats

Assets/Scripts/EnemyAttributesSO.cs

@@ -8,6 +8,8 @@ public class EnemyAttributesSO : ScriptableObject
     [SerializeField] private Attribute SPD;
     [SerializeField] private Attribute RNG;
     [SerializeField] private Attribute MND;
+    public long XP { get; private set; }
+    public long Threat { get; private set; }
 
     public static EnemyAttributesSO New()
     {