Colo Arthos has been raised to be a soldier his whole life. Colo was born 14 years before the outbreak of the clone wars in the midrim. At the young age of 4 his home was attacked by renegade marauder. He was saved from the PAC army. (Planetless army collective) a private military group that saw the flaws of the republic not having a standing army before the clone wars. The PAC believed they could help planets that didn’t have the resources or manpower to protect themselves like the core worlds do. The military organization would sell itself to various factions, being elite soldiers to rival even those of the famous mandalorians. The PAC during the clone wars was seen doing a lot of wetwork primarily for the CIS, Colo was apart of this. Being a child soldier Colo learned quickly how to survive. Being an expert in small squad insurgence, CQB, and gorilla tactics. This made Colo a huge asset for the PAC because he could help train planetary defense forces during the clone wars. Colo was prodigy