Seeking to forge alliances with Japan's Oni, he and Mr Kailanx worked with Lord Akuma of the Teutonic Knights and of a possible alliance to use and then dispose of the still human Frederick Ottoman. While Foster and Akuma did unite and they did manage to betray Ottoman and use his technology in an attempt at world destruction, that too failed with the Onis' power broken. Though again thought dead, he survived that encounter and was upgraded into a monstrous cyborg by Satan's Mengele, Mr. Kailanx a human looking mad scientist demon.
In an effort to establish ties with Japan's Oni, he partnered with Mr Kailanx and Lord Akuma of the Teutonic Knights, considering the possibility of utilizing and then eliminating Frederick Ottoman. Meanwhile, Foster and Akuma formed an alliance, successfully deceiving Ottoman and employing his technology in a bid for global domination, although this endeavor ultimately proved unsuccessful due to the Onis' power being broken. Notwithstanding his apparent death, he survived that encounter and was subsequently upgraded into a monstrous cyborg by Satan's Mengele, with Mr Kailanx portrayed as a human-like mad scientist demon.