the last subspecies of Archon is the standard everyday folk. they lack the specilisation of the other subraces and are often a jack of all trades, some would have specific proficiencies, but usually at the cost of other abilities. most are farmers, hunters, soldiers, blacksmiths and the like. as mentioned, proficiency is aided by having previous generations be proficient, however not inevitable. an Archon with a family experienced in combat could certainly become an actor, but their natural talent lies in combat.
Archon Blacksmiths would have knowledge of the alloy known as Archon Steel, consisting of a mix of various metals, both fantasy and real, the actual mix is not super specific, and would certainly differ between smiths. the basic ingredients are Mithril, Adamantine, Iron, Silver, Carbon, Tungsten, and maybe certain other things for flavor like a drop of blood or something else. it is hallmarked by a pattern throughout the metal, both within and on the surface.
there is a language for this race, but for all intents and purposes it doesn't need to be focused on. the only situation where it would be especially important would be names and even then i don't care. in the event you want to keep your character as accurate as possible, feel free to dm me for more specifics.
in terms of body type and personality, the defualt is hovering around 6' and having a good head on their shoulders. body type matters little, but most are physically healthy with lean musculature.