Searing Equation A5E

1st-level enchantment

Casting time: 1 action
Range: Self
Components: V, S
Duration: instantaneous
Damage: 3d4 Psychic

You briefly go into a magical trance and whisper an alien equation which you never fully remember once the spell is complete. Each creature in the area takes 3d4 psychic damage and is deafened for 1 round.

Creatures who are unable to hear the equation, immune to psychic damage, or who have an Intelligence score lower than 4 are immune to this spell.

At higher levels

Creatures are deafened for 1 additional round for each slot level above 1st.

Source: Adventurer's Guide (EN Publishing) · License: Creative Commons Attribution 4.0 / OPEN GAME LICENSE Version 1.0a details