Here's the first of this omake insanity. And a crossover too.

An Old Enemy

Deathmask was listening the king's tirade about supposedly committing rape when a portal opened and SHE came out, prompting him to put himself in a combat stance. After all SHE was a powerful enemy, and even if he had become stronger since their battle he would not take risks.

"Goodness, what are you doing here?" SHE asked him.

"Summoned to be a hero and save this world."

"Oh my, they must have committed great sins if the gods sent a punishment like you upon them."

Did SHE just compare him to Genghis Khan? Oh, well…

"Mostly stupid. I've been accused of raping the redhead." Deathmask replied.

SHE looked at Malty, and made a single statement: "With that kind of interpretation? Clearly a frame-up."

"Hey!" Malty protested.

"Look, ruffian, I have been a counselor for rape victims, and you don't act like one. Also, my old enemy is not a rapist. He's a mass-murderer, a destroyer, and many other things, but has too much self-respect to commit rape. So please drop it before he decides to take offense and-how did you threaten me that time, darling?"

"Hang your soul to a wall as a trophy. But I would never do it with her, she's tacky." Deathmask said. "By the way, why are you here?"

"A Chaos god sneezed. Now excuse me, but I have a few dresses to complete. Until next time, Cancer Saint."

"Until next time, seamstress."

With that SHE got back in the portal, that closed as she left.

"Did that unicorn talk?" Motoyasu helpfully asked.

"In Rarity's world, ponies are the dominant race." Deathmask explained. "And as long as I stay on the side, she could make short work of everyone else here in this castle."

Author note

Rarity versus Giant Enemy Crab. No idea why they fought or how Rarity not only survived but put enough of a fight that Deathmask respects her valor.