This is a RWBY and Transformers crossover, after Blackout was killed by Optimus Prime, his spark was sent to some kind of void, he stay there waiting, soon Ironhide arrive, then optimus was suck to a portal when he was in the space looking for his creators, and when that happend time froze, when they saw each other they where surprice, blackout was clearly not happy, but keepcalm because they where all there with no reason, when a voice from the past of the cybertronians and possibly even before the universe told them that Other world need their help and he chose the ones that have prove to be the ones that chould do it with out killing each other
4 parts