Din's Ruby is a unique gem and one of the Golden Goddess Gems.
Characteristics[]
Din's Ruby can be activated in one's inventory to learn the Din's Fire spell. Alternatively, it may be used to craft Spell Tome: Din's Fire, which can in turn be used to learn the spell.
Having any of the Golden Goddess Gems is a prerequisite for awakening the Master Sword.
Location[]
Din's Ruby is located within Silverdrift Lair. It can be found in a Strong Box behind a large urn in the treasure room after the boss.