I noticed in pvp, after the HoT patch, that when my wells get stunned that they go on full cool down without ever being cast. I am not 100% sure if this happens 100% of the time.. but its happened to me almost every match I played since HoT.
I am using the Vamp Rituals trait.
Necro Main – Spazzcromancer
Necro Alt – Spazza The Troll