Ronin Warriors: Legend of the Inferno Armor(1989)

Yoroiden Samurai Troopers Kikoutei Densetsu

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)