Ring of Resistance

Ring, rare (requires attunement)
You have resistance to one damage type while wearing this ring. The gem in the ring indicates the type, which the DM chooses or determines randomly.
d10Damage TypeGem
1AcidPearl
2ColdTourmaline
3FireGarnet
4ForceSapphire
5LightningCitrine
6NecroticJet
7PoisonAmethyst
8PsychicJade
9RadiantTopaz
10ThunderSpinel

Dungeon Master´s Guide (SRD)
  1. DnD 5e Magic Items › Ring of Resistance
Ring of Resistance