Quote Originally Posted by Shurrikhan View Post
It's perhaps overly similar, yes, but note that it is also far more flexible. Adding little thematic differences to it like length or speed that would incidentally remove its unique affordances over Inner Release would do at least as much harm as good.
How is it more flexible? I know on EW release any GCD would use an IR stack which wasn't true for Delirium, so WAR was locked into using Fell Cleave once they activated IR, but they fixed that in 6.1.