Blademaster's Walk

You draw the weapon used in the spell's casting, and choose an unoccupied space within 30 feet of you. You immediately teleport to that space and each creature caught in the line between where you teleported from to where you are must make a Dexterity saving throw.

A creature takes 3d6 slashing damage on a failed save, or half as much damage on a successful one.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the damage increases by 1d6 for each slot level above 3rd.