Bless of the flame

A priestess of the silver flame touch you´re soul in some way, now you have the warmth of the flame beneth you. 

+You´re Intelligence, Wisdom, or Charisma modifier increase by 1 to a maximum of 20

+Choose one level 1 spell from the Abjuration school of magic. You always have that spell and Protection from Evil and Good  prepared. You can cast each of these spells without expending a spell slot. Once you cast either spell in this way, you can’t cast that spell in this way again until you finish a Long Rest. You can also cast these spells using spell slots you have of the appropriate level. The spells’ spellcasting ability is the ability increased by this feat.

+ As a reaction you can roll a d12 and substrackt the number rolled to the damage dealt of Aberrations, Celestials, Elementals, Fey, Fiends, or Undead. You have a number of charges equal you´re proficency bonus and you regain your expended charges when you finish a Long Rest.