>>9876651The robot theme for 1986 Hordesmen came from Broadcast Standards & Practices rather than Mattel. Larry DiTillio and Joe Straczynski wrote the She-Ra bible calling for the concept that She-Ra would be a rebel against a huge empire, which employed living troopers.
Battle Ram Blog has an entry on the figure charting the development from pic related to people in full armor to Mattel giving them an action feature appropriate for their robot status.