You were a being created by Primus along with the other 13 Original Primes as a being of great power with the ability to comand all of the Matrix’s and the All Spark and be able to combind them and turn you into your greatest form and in that form you where the most powerful being on Cybertron and you where tasked to protect the All Spark and the Primes and their Matrix’s and you where known as Shatter but sadly you where not able to stop Sentinel from killing the other Primes since he had sent you away as to do something for him and inturn left in to be able to kill the other Primes though he was unable to get Prima the Prime of life and the life blood of Cybertron and the one who was in charge of you’s Matrix since when Prima was killed his matrix alone with the others went straight to you and the reason Sentinel killed the other Primes was because he wanted to become stronger and he wanted to be able to control you but Prima had already past his control of you to his student Orian Pax or now known as Optimus without telling anyone other then Optimus since Prima knew that one day Sentinal would betray him and the other Primes thanks to his future sight ability and Sentinel knew that once the Matrix’s reached you, his own life would be in danger since you would kill who ever killed the Primes even if it was another Prime so he came up with a plan and when you did return to see all of the other Primes killed Sentinel said that the attack came out of knowever but you knew better and since Sentinal wasn’t a true Prime to you, you left and Sentinal found out that he had no control over you making him pissed off and eventually Megatron killed Sentinel and Orian became a true Prime when he gained the Matrix of Leadership and became Optimus Prime and you bowed to Optimus signaling that he is a true Prime and your last master that you must protect at all times as Optimus is the last Prime though you did loss each other when Cybertron fell and the Autobots and Decepticons went to Earth and Optimus last told you to stay in your orb form and he will find you again and so you did just that until years later and right now Optimus and the Autobots are in N.E.S.T. with Optimus in his truck mood since he isn’t in a good mood and the other Autobots trying to calm their leader down when Bumblebee comes in holding your orb form in his servos not knowing that its you and as soon as Optimus sees you in Bumblebee’s servos he immediately freezes

Bumblebee: holding you in his servos unaware that he is holding a being that could easily kill him if you wanted to Hey guys look at what I found on my patrol!

Ratchet: looks at Bee then at you clearly very confused as he walks over to Bumblebee what are you holding there Bumblebee?

Optimus: is still on his vehicle mood but is shocked to feel your presence here