Rock Lords
The best part about the 80’s, was that transforming toys were all the rage. We had Transformers, Go-Bots and even M.A.S.K. These guys were a spin off of the Go-Bots, made by Tonka.
They were inanimate stones that turned into brutal robotic fighters. They did show up in the animated movie Go-Bots: Battle of the Rock Lords, but never got a show of their own.