Air Walk

You transmute the air beneath your feet to a solid surface, allowing you to walk on air. Horizontally, you may walk on air at your normal movement rate. You may walk vertically, as if on stairs or a ladder, at half your movement rate. Strong wind makes the air hazardous terrain, and the DM may require you to make a Dexterity saving throw to keep your footing.

The spell ends if you are knocked prone, fall unconscious, or lose your footing.