The King of Fighters crossover in Another Eden officially launched on August 22, introducing legendary SNK fighters Terry Bogard, Kyo Kusanagi, Mai Shiranui, and Kula Diamond as permanent, free unlockable party members through the brand-new Symphony questline titled Another Bout. According to verified reports from TouchArcade, developer WFS collaborated directly with SNK to faithfully translate fighting game mechanics into the classic JRPG framework. Unlike standard live-service gacha titles that impose strict time-limited banners, this Symphony event remains available permanently without expiration dates. Players journey alongside protagonist Aldo into an alternate martial arts tournament, facing off against signature SNK villains and navigating branching story routes. Each fighter brings bespoke combat animations, signature special moves, and specialized combo gauges that mirror their home franchise. Much like recent mobile milestones such as [Infinity Nikki Closed Beta & Pre-Registrations Live [Confirmed]](/news/infinity-nikki-closed-beta-release), this update pushes mobile production values forward. Gamers who clear the narrative obtain all four characters at five-star rarity without spending Chronos Stones, accompanied by exclusive event weapons, badges, and defensive armor tailored for endgame progression.