miHoYo Co., Ltd. (Chinese: 米哈游; pinyin: Mǐhāyóu), also known as miHoYo Network Technology Co., Ltd.(上海米哈游网络科技股份有限公司) is a Chinese video game development and publishing company. In addition to games, the company has created various products such as animated series, novels, comics, music, and merchandise. The company is the creator of the Honkai series, which consists of several games, including Honkai Impact 3rd and Honkai: Star Rail. miHoYo also developed Tears of Themis, a free-to-play adventure game. Another game that they have developed is Genshin Impact, an open-world action role-playing game, which is one of the highest-grossing mobile games of 2021. Aiming to expand its content production, technology research, and publications outside China, in February 2022, miHoYo launched its global publishing subsidiary Cognosphere Pte., Ltd. (trading as HoYoverse and stylized as COGNOSPHERE) based in Queenstown, Singapore. Since then, miHoYo has been doing business globally under the brand and has operations in Montreal, Los Angeles, Tokyo, and Seoul. miHoYo also operates under the subsidiaries Shanghai miHoYo Yingtie Technology and Shanghai miHoYo Tianming Technology; the former is the publisher of Genshin Impact, Honkai: Star Rail, and Zenless Zone Zero, while the latter is the developer of Tears of Themis. The global subsidiary Cognosphere Pte., Ltd. known as HoYoverse is the co-publisher of Tears of Themis, Genshin Impact, Honkai: Star Rail, and Zenless Zone Zero.
When a mysterious surge of dark energy tears open a rift between realms, heroes from many worlds are drawn together: Gregory and Cassie, the now-legendary Glamrock animatronics, powerful Genshins, and hardened Kombatants. The disturbance originates from a ruined laboratory where forbidden technology is attempting to fuse demonic power with advanced cybernetics. At the center of the chaos is Spawn, the hell-forged antihero whose necroplasmic powers once made him a terrifying champion between Heaven and Hell. But this time, something has gone terribly wrong. A secret faction seeking ultimate power captures Spawn and begins a brutal experiment—forcing cybernetic enhancements into his living hell-armor, attempting to control his supernatural abilities through machines. The procedure fractures Spawn’s mind and body, transforming him into Cyber Spawn—a hybrid of demonic necro-energy and ruthless cybernetic weaponry. His new form is stronger, faster, and nearly unstoppable, but the technology slowly overrides his will, turning him into a weapon capable of tearing apart entire realms. Sensing the danger, the powerful alliance forms. Gregory and Cassie guide the team through the abandoned facility while the Glamrocks, now heroic protectors, use their mechanical expertise to counter the cybernetic systems. The Genshins wield elemental power to stabilize the collapsing rift, while the Kombatants battle waves of mechanized demons unleashed by the experiment. As Cyber Spawn rampages across the battlefield, the heroes realize destroying him would only unleash catastrophic necro-energy. Instead, they must reach the man within the machine. In the final confrontation, the combined efforts of technology, elemental power, and martial mastery allow them to sever the control systems corrupting Spawn. But the damage is done—his body can no longer return to its original form. Spawn awakens as Cyber Spawn, a being caught between demon and machine. Though forever changed, he regains his will and chooses to stand with the alliance as a guardian against threats that could endanger every world. Now reborn in steel and shadow, Cyber Spawn becomes a new legend—proof that even when humanity is buried beneath metal and darkness, the will to fight for others can still survive.
