Seven Deadly Sins: Grand Cross, a popular mobile game by Netmarble, celebrates its 7th anniversary with the launch of the Perfect 7 update. This update introduces Nemesis Meliodas, a new UR hero inspired by the anime's final battle against the Demon King. Players can utilize Meliodas's unique ability to switch between offensive and defensive modes, enhancing gameplay strategy. The update also features a 7th Anniversary Legend Poll Draw, allowing players to summon Meliodas from a community-selected pool of heroes. Additional content includes Chapter Five of Four Knights of the Apocalypse, a 77-floor Tower of Trials, and a new PvE mode called Supreme Deity Battle. Various anniversary events, such as login bonuses, special missions, and a daily lucky draw for summon tickets, are designed to engage players. Furthermore, the update introduces a personalized recap feature, My Sweet Gluttony, which showcases players' gameplay history. Overall, the anniversary update offers a wealth of new content and features for players to explore.