Slashing Whirl

If you are damaged by a creature within melee range you spin yourself with hight speed. The Edge of your clothes becomes sharp and do damage to surrounding creatures. Each creature in a 5-foot-radius sphere around you must make a dexterity saving throw. A creature takes 6d4slashing damage on a failed save, or half as much damage on a successful one. A creature made of inorganic material such as stone, crystal, or metal has advantage on this saving throw.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 2d4 for each slot level above 1st.