Quote Originally Posted by Shirobi View Post
Stopcast wouldnt try to go off at the same time. Its not an ability and it wouldnt be on any sort of cool down. Why would you think that?
Unless you put a full second wait after it, it would attempt to go off at the same time. And unless your ping is 0 nanoseconds and this non-ability occurred faster than instant abilities, it wouldn't work (again look at why macros are bad for dps threads, abilities don't queue).
Quote Originally Posted by Shirobi View Post
And yes, you most certainly can get back to back bloodletter procs. It is not always a 3 second wait between procs.
Back-to back being 3 seconds apart, yes. DoT ticks on the 3 second game timer with HP/MP regen. Procs happen when a DoT tick hits critical.