Amulet of the Mental Protection

This amulet bears the symbol of a deity inlaid with precious stones or metals. While you wear the holy symbol, you gain a +2 bonus to spell attack rolls and the saving throw DCs of your spells.

While you wear this amulet, you have advantage on wisdom saving throws and can’t be found through means of divination. You also can’t be possessed by feys, fiends, or celestial. 

Notes: Bonus: Spell Attacks, Bonus: Spell Save DC, Advantage: Wisdom Saving Throws, cleric or paladin