Originally Posted by
Edge-
Probably Cryptic's in-house engine. It's...weird, and the same quirks follow it through every incarnation (Champions Online, Star Trek Online, Neverwinter, and maybe even the MTG game). Movement can be...a bit odd, and animations operate weirdly (run into a wall, watch your animation functionally come to a dead halt).
It's not "terrible", just a bit odd and very easy to understand why it may turn some folks off. I guess after so many years of casually playing their games I've kinda gotten used to it and more just chuckle when I run into those odd quirks.