Talk:Fierce Battles/@comment-61.6.2.124-20160711095634/@comment-28089742-20160711113147

I assume you never fought Belial and Gilgamesh's stage yet?

To simplify the concept, the boss skill is actually run as a cycle, let's say Phase 9-1 it's Immortal, of course you can't hit him, but after three part of Khaos hit you, all the three skills change to Phase 9-2 (I think).Likewise, even, if you manage to defeat left or right trunk only, the other one will change back to Phase 9-1 skills.

As for your question,I just watched from Youtube that Immortal effect does not affect left and right trunk. If you burst during Phase 9-1, the body trunk still nullify the damage you dealt, and it immediately skip from "Immortal" to "Phantom.Attack x 10".