You specify a point within the casting distance, and centering on that point, fill a 5-foot cube with a rotating dagger created by magic. The creature starts its turn in the area, or when it enters the area for the first time in a round, it will take 4d4 slashing damage.
Cloud of Daggers 5e
Classes: Bard, Wizard, Warlock, Sorcerer
Casting Time: 1 Action
Range: 60 feet
Components: V, S, M
Duration: Concentration, up to 1 minute
When using a spell slot of 3rd level or higher to cast this spell, the damage of the spell increases by 2d4 for every level higher than the 2nd level of the spell slot you use.