5 minutes

As an action, you form a blade of pure scintillating force. Make a melee spell attack against the target.

On a hit, it takes 1d10 force damage.

On a critical hit, it takes twice as much damage.

On a miss by 4 or less, it takes half as much damage.

At higher levels

This spell’s damage increases by 1d10 when you reach 9th level (2d10) and 17th level (3d10).