Optimus Prime 654
Paramount
I remember the Decepticons stating the Dark Saber can pull something from the past and can create a anti-time vortex weaponit already had statements of destroying the multiverse which is more or less the same scale the time vortex operates on. The only difference is the latter required more prep from Nova so the Saber's still "better" but they're in the same bracket I guess you could say