evocation cantrip

Casting Time: 1 action
Range: Self (10-foot-radius sphere)
Components: V, S
Duration: instantaneous

A 10-foot-radius invisible sphere of psychic anguish erupts from your head. Any creature in the area must make a Charisma saving throw or take

1d4 paychic damage.

The spell’s damage increases by 1d4 when you reach 5th level (2d4), 11th level (3d4), and 17th level (4d4).

Thoughts?