There's a bug your stamina slowly drops to zero and you can't use spells within the period.
I've recorded a video, that shows 3 bugs in 3 minutes, stamina bug at 0:30, action bar locked at 2:00 and 2:50
http://youtu.be/TQEq_V1leM0
Most of my guild mate are having the same issue in PVP and PVE
Edited by vichoi on 21 July 2015 21:54