Cloud of Daggers

Level: 2

Casting Time: 1 action

Range: 60 feet

Duration: Concentration, up to 1 minute

You fill the air with spinning daggers in a cube 5 feet on each side, centered on a point you choose within range. A creature takes 4d4 slashing damage when it enters the spell's area for the first time on a turn or starts 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.

Source: PHB, page 222