- Item Type: Gem
- Used For: Crafting Precise Weapon Trait
- Effect: Increases Weapon and Spell Critical values
Ruby is a Weapon Trait Gem in Elder Scrolls Online. It can be crafted into a Weapon piece at, and only at, its creation. When used in Crafting, this Gem applies the Trait Precise to the weapon piece. This Gem can be acquired by deconstructing items that have the Precise Trait or by purchasing them in Guild Stores.