Thestalos the Firestorm Monarch is a character version of the card, "Thestalos the Firestorm Monarch". Thestalos the Firestorm Monarch appears in the video games, Yu-Gi-Oh! Ultimate Masters: World Championship 2006, Yu-Gi-Oh! World Championship 2007 and Yu-Gi-Oh! 5D's World Championship 2011: Over the Nexus. In World Championship 2007, by beating him five times, the player gets closer to a new Booster Pack.