Most of the revamps were done for Cataclysm. But things were already being nerfed in Wrath -- For example, a Gnomeregan corpse run was of several minutes while

Most of the revamps were done for Cataclysm. But things were already being nerfed in Wrath -- For example, a Gnomeregan corpse run was of several minutes while an ICC corpse run lasted a few seconds.