Onyx Diaz

Onyx Diaz (オニキス・ディアス) was a member of the Higher Institute and a major antagonist in Next Class, and a minor antagonist in Final Endings.

Gifted with a mutant ability, Onyx joined the Higher Institute and eventually earned a position within the ADMINS. In 2083, after the institute began collaborating with Sylvia Smythe, Onyx and his comrades were sent to battle Sebastian Rhodes' team, but he was killed during the final confrontation.

However, Onyx's spirit continues to haunt the outlands of Ultimate City.