Point at a location within range and fire a green sphere. Each creature in a 20-ft Sphere makes a DEX save or takes 10d4 Acid damage immediately and 5d4 Acid damage at the end of its next turn. On a success, half initial damage and no end-of-turn damage. Higher Slot: +2d4 initial and +1d4 end-of-turn per slot level above 4.

Material: a drop of bile and a pinch of mercury