Epic Boon Feat (Prerequisite: Level 19+; Spellcasting or Pact Magic Feature) You gain the following benefits. ***Ability Score Increase.*** Increase your Intelligence, Wisdom, or Charisma by 1, to a maximum of 30. ***Free Casting.*** Whenever you cast a spell with a level 1-4 spell slot, roll 1d4. If the number you roll is the same as the slot's level, the slot isn't expended.