Humanoid Form
Innate, Polymorph
Cost: 1 XP/tier
Selection: If you are a living organism, this ability has the Biomancy type. If you're undead, it has the Necromancy type. If you're a synthoid (construct), it has the Transmutation type. If you're a spirit, it has the Illusion type.
You can assume a small or medium humanoid form as if by Alter Self. You know only one single form you can take that is unique to you.
Many Forms (+1): You can learn any number of forms unique to you.
Master of Disguise (+1): You must have Many Forms to apply this upgrade. Your forms don't need to be unique and you can use your forms to impersonate individuals as if they were masterwork disguises.
More Forms (+1): You can learn up to 3 + Int mod humanoid forms unique to you. You can learn a large or tiny form, but it consumes two of these slots.