Ankh Shield (5e Equipment)
From D&D Wiki
Armor (shield), legendary (requires attunement)
A large shield carved from a single piece of obsidian, with a golden ankh in the center. When you wield this item, you gain resistance to poison and fire damage and +3 AC. While attuned, you are immune to being blinded, charmed, deafened, frightened, paralyzed, and stunned.