Grimoire of Suffering (Rank 5)

Grimoire of Suffering (Rank 5) teaches rank 5 of Suffering to the warlock's Voidwalker.
==Source==
It can be purchased for from:
* in The Barrens
* in Undercity
* in Stormwind City
* in Tirisfal Glades
* in Orgrimmar
* in Durotar
* in Dun Morogh
* in Elwynn Forest
* in Ironforge
* in Swamp of Sorrows
* in Eversong Woods
* in Silvermoon City
==Patch changes==
*
*
==External links==
Suffering (Rank 5)