Create a wall of ice (up to ten 10×10-ft panels, 1 ft thick) for 10 minutes (Concentration). A creature in the wall's space when it appears makes a DEX save or takes 10d6 Cold damage (half on success). The wall has AC 12 and 30 HP per panel; a destroyed section leaves a sheet of frigid air that deals 5d6 Cold damage when passed through. Higher Slot: +2d6 damage per slot level above 6.

Material: a small piece of quartz