Orion Pax is the son of Solus Prime's successor, Aquila Theta/Thetas Prime and Autobot warrior, Solarguard. But when his parents sacrifice their lives to protect Cybertron from the Quintesson invasion and Orion Pax gets adopted by Alpha Trion at a sparkling orphanage with Ariel, and B-127, he grows up to become a nerdy, gullible, shy, but optimistic upper-class data clerk at the Iacon Hall of Records. When he gets invited to the gladiator arena in Kaon, Orion Pax and Melione meet the famous gladiator, D-16, who says that he's a slave owned by 3 slave owners and they admit that the Caste System on Cybertron sucks since it has always caused more harm than good with all the division, inequality, enslavement, constrain, discord, chaos, and injustice among the masses with Sentinel Prime doing a terrible job at running Cybertron.