One of the shimmering green arrow would be streak toward a target within a specific range and even can bursts in a spray of the acid. It can make a ranged spell attack which is against to the target. On a particular hit which it make, the target would take 4d6 acid damage immediately and also 2d4 acid damage at the end of its next turn. So on a miss, the arrow can splashes the target with the acid for an half as much damage and no damage at ending of its next turn.
Are you waiting for mirage arcane 5e uses then why late check it now.
At Higher Levels:
Whenever you cast this Melf’s Acid Arrow Spell by using the spell slot of 3rd level or higher and the damage (not only initial and also later) increases by 1d4 for each slot above the 2nd level.
Attributes Of Melf’s Acid Arrow 5E Spell
|Casting Time||1 action|
|Components||V, S, M (powdered rhubarb leaf and an adder’s stomach)|
|Name||Melf's Acid Arrow|