Reap Intellect

House Dimir Spell
Level 3 or 4
Casting Time: 1 Action
Duration: Instantaneous
Range: Touch
Make a Melee Spell Attack against target creature in range, on a hit that creature takes 3d8 Psychic damage and loses points to their Core Intelligence Score equal to half of the damage taken. This Intelligence Decrease lasts until the effected creature takes a long rest or until dispelled by Remove Curse or Dispel Magic or a similar effect.