Deep Magic Volume 1
Ring Ward
7-level Enchantment
Casting Time: 1 action
Range/Area: Self
Components: Verbal, Somatic, Material
Materials: an iron ring worth 200 gp, which the spell consumes
Duration: Concentration, 1 hour
Damage/Effect: Buff
The iron ring you use to cast the spell becomes a faintly shimmering circlet of energy that spins slowly around you at a radius of 15 feet. For the duration, you and your allies inside the protected area have advantage on saving throws against spells, and all affected creatures gain resistance to one type of damage of your choice.
Available for: Sorcerer, Wizard with Ring Specialization