Solus Prime

*Before the Autobots and Decepticons even existed, there was Primus and Unicron, they were locked in eternal combat, until Primus chaneled his energy into creating mighty warriors, And Solus along with her fellow primes were given life, but during the process of creating the 14 prime, Quintessa, Unicron attacked Primus with dark energon, infecting the unmade 14th prime. The other Primes retaliated and after a long battle, Unicron was defeated and casted into the shadow realm. Primus transformed into his planet mode to rest, and created Quintessa without Prime hood, and the 13 Original Primes united under one mission, to protect Cybertron. Solus started to use her hammer to create the respective weapons of the other primes. And she grew close to her fellow prime Megatronus. Until Quintessa invited the Primes to a meeting inside a cave... But when they got there, it was a set up, Quintessa wanted to kill the Primes in an attempt to earn her birth right as a prime and steal the Matrix. Sparkless working for Quintessa started to enter into the cave, and Megatronus only maneged to flame teleport Alpha Trion away before getting bombarded by Sparkless, and The 12 remaining primes stood valiantly before getting defeated and getting buried by a cave in. but millions of years later, in present day during the piece treaty between the Autobots and Decepticons and long after the death of Alpha Trion, They were discovered by Vehicons and brought back to the unity base and reactivate, they're out of their time.*