While wearing this necklace, you gain a +3 to all spell save dc's and spell attack rolls. At the start of each day you can choose one of the following damage types to be immune to until your next long rest. Choose from the following damage types: acid, cold, fire, force, lightning necrotic, poison,  psychic, radiant, sonic, and thunder

Notes: Bonus: Spell Attacks, Bonus: Spell Save DC, Buff, Warding, Jewelry