Vicissitude

Malleable Visage (Rank 1)
Turn yourself into an exact copy of another vampire (includes on who/where)

Fleshcraft (Rank 2)
Add an additional arm to yourself. This arm cannot wield a weapon. (grants 2 attacks per round.)

Bone Craft (Rank 3)
You are able to create a bone armor which grants damage reduction

Flesh Rot (Rank 4)
Give a target a disease that eats away at their body

Breath of the Dragon (Rank 5)
Exhale a blast of flame (deals X% max hp, 30 sec CD)