As an action, a shimmering green arrow streaks toward an object or creature within 20 meters and bursts in a spray of acid. Make a ranged spell attack against the target.

On a hit, it takes 3d8 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 hit, it takes twice as much damage and its armor or natural armor is corroded 2 until the end of your next turn.

On a miss by 4 or less, it takes half as much damage.

Augment

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