Boiling Blood

You use your knowledge of conjuration of acid to slowly transform a creatures blood into acid. Pick a creature within 60 feet of you. They must make a Constitution saving throw. On a failed save they take 1D8 Acid damage scaling up by a D8 at the start of their turn. (Max 10D8). For one 1 minute, or until your concentration is broken. If they succeed on the save they take 2D8 acid damage every turn for 1 minute or until your concentration is broken.