Martyrdom
Martyrdom is a Priest spell in the WoW Forever client.
Gives you a 50% chance to gain Focused Casting for 6 sec after being the victim of a melee or ranged critical strike. The Focused Casting effect prevents you from losing casting time when taking damage and increases your resistance to Interrupt effects by 20%.
Data from the WoW Forever client, build 1.60.1.70862, extracted .