Vitriolic sphere

Vitriolic sphere was an evocation spell that created an explosion of acid.

Effects
The spell created a shimmering emerald-green sphere of acid about in diameter that then flew directly to a point within a range of  of the caster. Upon arriving at its target, the sphere exploded and covered everyone within in potent acid, which remained active for several seconds following the explosion.

Older versions of this spell, belonging to the conjuration school, had a longer range, reaching up to and producing acid that lasted for up to 5 minutes.

Components
The spell required verbal, somatic, and material components. The material required was either a drop of bile from a giant slug or a small glass vile filled with aqua regia.