"Slifer's Orb is an item from Yu-Gi-Oh! The Falsebound Kingdom, required to Summon \"Slifer the Sky Dragon\". Only a \"Master of Gods\" may use it. The orb can only be used once per mission. Once used it is gone for the rest of that mission."@en . "Slifer's Orb"@en . "Slifer's Orb is an item from Yu-Gi-Oh! The Falsebound Kingdom, required to Summon \"Slifer the Sky Dragon\". Only a \"Master of Gods\" may use it. The orb can only be used once per mission. Once used it is gone for the rest of that mission."@en . . .