Gate Mace is a Duel Monster Spirit, appearing in the video game Yu-Gi-Oh! 5D's World Championship 2010: Reverse of Arcadia.
Gate Mace is secretly located by the corner of the big tree in the forest the player is brought to when they first enter the Duel Monsters Spirit World.
Gate Mace is one of very few Duel Monster Spirits to lack a card counterpart.
Gate Mace plays with an Elemental Hero Deck titled "Gate to the Heart".