Quote Originally Posted by Skies View Post
You are moderately wrong here. What prevents you from starting the off-GCD skill is actually a sort of animation lock. Until a certain point of your current attack's animation you cannot use an off-GCD skill. Example that i'm used to is Phlebotomize, you need to wait for the full animation (that is about .8s long) to go through, whereas in Full Thrust you can use an ability at about the point you're at the apex of the jump (whereas in Vorpal Thrust you need to finish the horizontal swipe which takes about 2s).
I've been unable to use a CD right after using Fast Blade, which is a very fast animation, until my GCD is back up. So yes, they're locked to the GCD.
I can understand if I've used something with a long graphic, but not using a simple swing animation. =\