This is how On Cybertron and AU Ryan, Optimus and Twilight confront Ryalight and Quintessa goes in Crash's, Thomas' and Ryan's Adventures of Transformers: The Last Knight.
[We see AU Ryan, Optimus and Twilight look around Cybertron]
AU Ryan F-Freeman: What happend here?
Optimus Prime: I don't know.
Ryalight's and a female's voice: Your world is dying.
[They walk towards two beings. One is Ryalight with his own The Last Knight armor and the other is Quintessa]
Ryalight Glimmer: Been waiting for you, Optimus and my friend. Come and meet your and Ryan's maker.
Optimus Prime: You are my creator?
AU Ryan F-Freeman: Who are you, kid?
Quintessa: I am Quintessa. The Prime of Life.
Ryalight Glimmer: And I am Ryalight Glimmer. Quintessa's girlfriend and the Prime of Equality.
Optimus Prime: What have you and Ryalight done to my home?!
Twilight Sparkle: And when my friend Prince Ryan Prime gets here, you're toast!
[AU Ryan summons his Keyblade and swings at Quintessa but she blocks his attack]
AU Ryan F-Freeman: Whoa! Where did you learn to block?
[Ryalight grabs Twilight and pins her to the floor]
Ryalight Glimmer: You dare to strike my girlfriend?
AU Ryan F-Freeman: No. And I think Ryan didn't have a creator.
Ryalight Glimmer: Tell us where Prince Ryan Prime is and we'll.... Let you go.
AU Ryan F-Freeman: Never. Occlumency! [casts a spell on himself] What happened here?
Quintessa: Optimus's war doomed Cybertron.
[Ryalight chains Optimus up]
Optimus Prime: No. Megatron started the war.
[Infernocus punches Optimus and turns his head to see Quintessa]
Quintessa: You and Ryan destroyed your world, you fool! [slaps Optimus]
[Ryalight puts a mind control hat on Twilight]
Quintessa: My perfect creation.
Twilight Sparkle: Optimus?
AU Ryan F-Freeman: You created Optimus? Are you sure? Well. The past few years are a bit slow. Your bounty hunter Lockdown didn't do as well as you hoped and...
AU Ryan F-Freeman: [pulls out a fish] Fish!?
AU Ryan F-Freeman: And this Ryan you're talking? He won't hurt a fly. Except that robo bug, but he do it to protect Sam. Optimus needs to fix it.
Quintessa: Or the race of Transformers dies forever, siren.
AU Ryan F-Freeman: Oh. I get what you mean. I gotta go. [flies off to Earth]
Quintessa: I made Optimus and Ryan, Twilight. He is mine to command.
Twilight Sparkle: Code Red will stop you.
Optimus Prime: And if they're lucky, they might have help from the Justice League, Avengers, and X-Men.