Cult of the Transient Form
The Cult of the Transient Form is a Tzeentch Arcanite Cult. None embrace the power of change as zealously as them. Many of their human members actively seek to be transformed into Tzaangors, who they regard as closer to the Great Mutator in form and spirit, and the prideful Gor-Kin are all too happy to indulge them.
Death is not seen as the end for these fanatics, but the gateway to a glorious new beginning. Enemies are horrified as the corpses of slain Cultists quiver and spasm, their flesh running like candle wax, before rising up once more as shrieking Tzaangors - or something much worse...