Vicissitude allows the torturer to become his own tool kit, forming his extremities (or the victim's extremities) into a variety of intrusive implements perfectly shaped to fit the victim - or not quite fit, as the case may be. Then, too, the sight of one's bones heaving of their own accord through one's skin is always disconcerting - and it becomes difficult to find release in a scream when one's tongue has been grafted to the roof of one's mouth...
—Vampire: The Masquerade - Clanbook: Tzimisce
Blessed creatures! I have broken through their mortal crust and drawn from them their greatest strength: mutability. I coax bone, weave flesh, and lace sinew tight until it strains to lash out...
—Andrei the Tzimisce, Vampire: The Masquerade Bloodlines
Maitreya was, ultimately a very interesting antagonist for Krishna. Krishna clearly preferred to work with objects, land, inert matter. Maitreya clearly preferred to work with human beings.
For those who can master this power, will and body become one. Much as a techno-magos shapes metal into complex circuitry, elevating basic elements into objects of mechanical wonder, so too does the biomancer shape the flesh.
—Black Crusade: The Tome Of Fate