Dark Rune Thunderer

This mob will put a nature damage increase debuff on your tank, after about 10 or so stacks your tank can get one shotted. Swapping tanks works, the paired mob in the pulls puts a reduced armor debuff on the tank.
==Ability==
*Lightning Brand-Shocks the target for 2500 (3500 on Heroic) Nature damage to the target, and increases Nature damage taken by 40% for 20 sec.
==Patch changes==
*
==External links==
Category:Iron vrykul
Category:Ulduar mobs