WARNING!!! NON-CANON!!! The information in this article comes from Marvels, warlord of mars and is not written by Edgar Rice Burroughs. Hira was a Red slave living in the city of Karanthor. Retrieved from "https://barsoom.fandom.com/wiki/Hira?oldid=11413" Categories: Characters (non-canon) Red Martians (non-canon) Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.