You fill the air with spinning daggers in a 5 feet-radius sphere, centred on a point you can see within range.

A creature takes 4d4 slashing damage when it enters the spell’s area for the first time on a turn or ends its turn there.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the damage increases by 2d4 for each slot level above 2nd.