Key Mace #2, known as Lock Mace in the Japanese version, is a character version of the card "Key Mace #2". It appears in the video game Yu-Gi-Oh! 5D's World Championship 2010: Reverse of Arcadia, as a Free Duel opponent.
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 30 |