User can make and control spears

Pros:
-user can make many spears
-user can make barriers
-user can use spears easily
-user is empowered by spears

Cons:
-spears will hurt others
-user can only make spears with excess fat/sugar
-user can't change material
-user can be hurt by spears
-user must use spears or they get out of control
-user is weaker without spears

Weakness: diet
Quirk is quickly rendered useless