Chord Assasination

A music note, sharp as a knife and thin as a thread, flies toward a creature within range. Make a ranged spell attack against the target. On a hit, it takes 1d8 Slashing damage, and its Speed is reduced by 10 feet until the start of your next turn.

Cantrip Upgrade. The damage increases by 1d8 when you reach levels 5 (2d8), 11 (3d8), and 17 (4d8).