Yoroiden Samurai Troopers Kikoutei Densetsu
English name: Ronin Warriors Legend of Kikoutei
Genres: Adventure, Fantasy
Type: OVA, Episodes: 4
Aired: Oct 8, 1989 to Jan 11, 1990
Studio: Sunrise
Source: Original
Rating: PG-13 - Teens 13 or older
Synopsis:
A strange, silent warrior appears. When the Inferno armor is summoned to battle him, the mysterious warrior calls forth his own armor—a black copy of the Inferno armor! Now, the warriors will find themselves half a world away fighting once more to save humanity, but this time, from their own armor!

(Source: AniDB)