You are looking at an thin silver band set with a huge sapphire that glow with a strange inner light.

Stats

Immortal. Contains the spell of Immortal Shield +9.

How to obtain

Drops from Thancred in Axe Glacier Undead area

Given by Elvis in UnderKingdom for bowl of peanut butter and bananas from Overlord.

Drops from Rude0ff during the Christmas Event.