Invis check precedes power check.

src/engine/mobileAI/MobAI.java

@@ -323,17 +323,17 @@ public class MobAI {
                     return false;
             }
 
-            // Mobile has no powers defined.
-
-            if (PowersManager.getPowersForRune(mob.getMobBaseID()).isEmpty() &&
-                    PowersManager.getPowersForRune(mob.contractUUID).isEmpty())
-                return false;
-
             if (!mob.canSee((PlayerCharacter) mob.getCombatTarget())) {
                 mob.setCombatTarget(null);
                 return false;
             }
 
+            // Mobile has no powers defined in mobbase or contract..
+
+            if (PowersManager.getPowersForRune(mob.getMobBaseID()).isEmpty() &&
+                    mob.getContract() != null && PowersManager.getPowersForRune(mob.getContract().getObjectUUID()).isEmpty())
+                return false;
+
             if (mob.nextCastTime == 0)
                 mob.nextCastTime = System.currentTimeMillis();