As an action, corrosive acid shoots from your outstretched hand to a target that you can touch or see within 10 meters. The target can be a creature, an object, or a creation of magical force, such as the wall created by wall of force.

The creature must make a Fortitude saving throw.

On a failure, it takes 4d6 acid damage immediately and additional acid damage equal to half the amount of acid damage dealt at the end of its next turn and its armor or natural armor is corroded 1 until the end of your next turn.

On a critical failure, it takes twice as much damage and its armor or natural armor is corroded 2 until the end of your next turn.

On a success, it takes half as much damage.

On a critical success, it takes no damage.

This spell automatically dissolves a Tiny or smaller nonmagical object or a creation of magical force. If the target is a Small or larger object or creation of force, this spell dissolves a 75-centimeter radius sphere portion of it. A magic item is unaffected by this spell.

Augment

You can increase the damage by 4d6 for each additional mana expended.

At 2 mana, this spell automatically dissolves a Small or smaller nonmagical object or a creation of magical force. If the target is a Medium or larger object or creation of force, this spell dissolves a 1-meter radius sphere portion of it.

At 3 mana:

• if the damage leaves the creature with 0 health, the creature and everything it is wearing and carrying, except magic items, are dissolved to a puddle of ooze. The creature can be restored to life only by means of a resurrection spell, a miracle spell, or a wish spell.
• this spell automatically disintegrates a Medium or smaller nonmagical object or a creation of magical force. If the target is a Large or larger object or creation of force, this spell disintegrates a 1-meter radius sphere portion of it.

At 4 mana, this spell automatically dissolves a Large or smaller nonmagical object or a creation of magical force. If the target is a Huge or larger object or creation of force, this spell dissolves a 2-meter radius sphere portion of it.

At 5 or more mana, this spell automatically dissolves a Huge or smaller nonmagical object or a creation of magical force. If the target is a Gargantuan or larger object or creation of force, this spell dissolves a 3-meter radius sphere portion of it.