Homebrew
Blister
1-level Necromancy
Casting Time: 1 action
Range/Area: 60ft
Components: Verbal
Duration: 4 hours
Attack/Save: Dexterity
Damage/Effect: acid
You utter a blasphemous phrase and create a fleshy pocket of acid on the ground that explodes whenever a creature steps within 5 feet of it. The triggering creature must succeed a Dexterity saving throw or take 2d10 acid damage, or half on a success. The pocket leaves a puddle of acid that lingers for 1 minute. Creatures that step into the puddle or start their turn in the puddle take 1d6 acid damage.
Available for: Occultist, Wizard