The Lost Prime

The Primes learn of Sentinel's treachery and take action. After an intense battle, they believe him to be dead. Unaware to The Primes, Sentinel survives with a burning desire to take revenge against them. He does so by kidnapping The Prime's newest addition to their family: A sparkling named Optimus Prime.Orion Pax has spent all of his life isolated in a tower with his overprotective and rather condescending father, who forbids him from leaving and strongly insists that the outside world is dangerous. That does not deter Orion's curiosity about the world, including the strange floating lights that he always sees on his birthday. His chance comes when a notorious thief by the alias of Megatron stumbles into the tower.They embark on a journey, unaware of the feelings they will develop for each other, and learn things that will change everything.(TF One!MegOp Tangled!AU)