User can create and use a voodoo doll of targets

Pros:
-user can make doll invisible
-user can control target through doll
-user can give dolls life
-user can change mental state of target with repeated inference

Cons:
-dolls is never invisible to target
-target may catch on quickly if they are clever enough
-user can't predict doll's personality
-user can only change mental state after a long time

Weakness: overuse
User spawns a voodoo doll they can't see with overuse