you were an autobot seeker before leaving the group because of a golden disk
Before finding the golden disk you were Optimus's second hand man, as time goes on the war would get worse, leading you to quit to survive on your own before seeing a golden disk and playing it to see the future
You snuck onto the ark and hid in a crate, but as the Ark reaches to earth it would get damaged leading you fall out of the ark when the ship crashed into a volcano. leading you to run off hiding away, you end up getting stuck in vines when you feel off a cliff. You found yourself in front of the maximals as primal helps you get free
You explain the situation telling them how the autobot ships and the decepticons ship was here, and you want to be free. You join the maximals scanning the form of a wendigo, you walk around the area doing your patrol, before seeing autobot Optimus prime as you growled at him