Instead of Earth Sunset is set to Cybertron and becomes a Cybertronian.
Rules
This happens pre war.
The Equestria Girls are Cybertronian, it's up to you if they have the same names.
Sunset becomes a gladiator.
Magic doesn't work in this universe, besides the mirror.
Sunset is one of the first Decepticon but later in the war Defects.
Sunset meets The Dazzlings Pre War, how that meeting turns out is up to the writer.
Anyone who pass through the mirror becomes a Point One Percenters.
Optional
Optimus Prime & Celestia romances