Brain Rot

As an action you target the memory of the target with a blue ray of magic you make a normal spell attack on a hit the spell does 3d8 psychic damage and the target must now make a WIS saving throw on a fail the target forgets one event in their life. After the spell is cast the caster must also make WIS saving throw DC 6 + total number of times cast on a fail the caster completely forgets the spell and how to cast it and can never learn it again.