"unknown spell effect 330 in spell "Prophet's Gift of the Ruchu (ID 6273)"
The effect is Slot 10: Critical Damage Mob (110)
Slot 11: Chance to Critical Hit (65)
Slot 12: Increase Hitpoints v2 by 500 per tick
The HoT portion is working, so it's one of the other 2 that must not be.