Tasha's Caustic Brew

Components: A bit of rotten food.
Duration: Concentration, up to 1 minute.
A 30-foot long, 5-foot wide stream of acid shoots
from you in a direction you choose, coating any
creatures that fail a Dex save for the duration, or
until the acid is/has been removed with an action.
Any acid-covered creatures take 2d4 acid damage
at the start of each of their turns.
--- At Higher Levels: {dash}{dash}{dash}
Add 2d4 acid damage per spell slot level above 1st.