[Glide]

1.5 second cast times with abilities to push that down to around 1.0s. A lot of the interrupts are off the global cooldown in order for players to use spell interrupts effectively.

.5 - 1 seconds of delay may not seem like much, but it actually adds up to be quite significant because of the global cooldown would also be enforce client side and so a player with higher delay would have done fewer actions in the same amount of time.