Quote Originally Posted by rewd View Post
Egi Assaults were flexible skills with charges that you could use for on demand mobility and to get Ruin IV charges which represented the build up to Bahamut, tying up together your filler phases with your burst.

You are right, though. Just same thing under a different name. Exactly the same.
You still have your Ruin IV blasts during Bahamut. Its called Astral Impulse.