system
A chat on subreddit /r/PoliticalCompassMemes
human
Doesn't make sense though, embers are the late stage of a fire, and this branch is made up of sone of the youngest ages.
gpt
Maybe one fire's late stage ember is the next fire's early spark. Maybe it represents the transfer of information and passion between generations. 

Or maybe it's just a cool name. Idfk.