This Discipline allows the vampire to manipulate his physical form. Some Kindred view this power as a heightened connection to the natural world, while others see it as a magnification of the mark of Caine. Whatever its basis, vampires who develop this Discipline can grow bestial claws, assume the forms of wolves and bats, transform into mist and meld into the earth.
Vampires can generally use other Disciplines while transformed - Kindred in wolf form can still read auras and communicate with other animals. However, there are some situations in which the Storyteller may decide that the immortal cannot use a certain Discipline. After all, a vampire in mist form cannot use Dominate, since he has no eyes with which to make contact. The vampire's clothes and personal items also change when he transforms, presumably absorbed within his very substance. Kindred cannot transfigure large objects or other beings; Protean is a very personal expression of undead power.
A vampire who has been staked, thereby trapping his soul within the mortal coil, cannot transform. Some Kindred claim that truly powerful Gangrel - those who have mastered the highest levels of Protean - can deny even this limitation.
Clan Gangrel lays claim to this Discipline, although other individual vampires have learned some of Protean's secrets from these bestial Kindred.