Well that's weird
I'm no expert so I might be missing something. For me since UA & the GCD have the same "base cast time" they should always have the same "cast time" (except if UA goes < 1 sec).
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Even if all my tooltips and timers are correct, it still amounts to only fractions of a second. I would have to cast/refresh UA 7 times before I even get 1 second of additional time. Still, this difference is what was causing all my confusion from earlier.
Well atleast with this glyph you can extend refreshing UA abit longer than usual (the faster you cast it the longer you can wait before applying it) meaning that you can start casting UA on 1.3 sec remaining instead of 1.5 sec remaining. i tested this and it suits malefic grasp pretty well in the rotation. I know pandemic erase this pretty much but you always want a 100% uptime on malefic grasp during haunt uptime so if you can extend refreshing UA it will help incase you casted haunt while UA has 8 seconds remaining
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