The key is a golden Celestial Spirit Key, with the head of a bull is carved in the base of the bow with two horns sprouting out on its side, surrounding a white center with the crest of the Golden Bull, colored in black. The blade of the key is designed similar to that of a two-sided axe, each side designed with an S facing the opposite direction. The blade then finishes off with a pointed tip
While in possession of the key, a Celestial Spirit Mage may be able to summon the Golden Bull Taurus by reciting the quote, "Open the Gate of the Golden Bull! Taurus!". This summons Taurus, a perverted humanoid bull wielding a giant Labrys.