You create a gust of razor sharp wind and hurl it in a 30ft cone. Each creature within a 30ft range of the cone must make a Dexterity saving throw. On a failed save, a creature takes 2d8 slashing damage and is pushed 10 feet away from you. On a successful save, the creature takes half as much damage and isn't pushed. 

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d8 for each slot level above 1st.