It came in through the Stargate. She said that she was an Ancient, but that was doubtful. The creature used its unnatural powers to charm all on base, so that all would believe her pathetic story. They had found her on a Wraith hive, beaten and supposedly tortured for information – though the Wraith had not fed on her, which alone was suspicious. She said it was because she had valuable information, but Elin didn't believe her.
She could beat everyone on Atlantis in a fight, she knew what all the technology could be used for and how to operate it, she was smarter than McKay, and she could get away with anything – even 'borrowing' Ronons gun. It looked as if it was time for Elin to perform a role she hadn't touched in many years, and hoped that she would never again have to. It was time to go Sue Hunting.
***
Kalindra Quasana Aenora, a Class B Mary Sue, giggled from across the mess hall. Her hair was a typical Sue shade of gold, her flawless skin lightly tanned, her cheeks rosy, her eyes a sparkling sky blue and her clothes in shades of cream and gold. Her angelic face consisted of cherubic, heart shaped lips, exotically slanted eyes, and a delicate nose. Her figure was slim but curvaceous. It was enough to make anyone sick – but they were all under her thrall. She had to be fairly powerful to establish herself so quickly. Luckily, since everyone was so infatuated with the Sue, it was easy for Elin to skip shifts. She was also lucky in that Chuck was not a typical Sue target – it probably didn't notice he existed.
Elin formulated her plan of attack, but it would be difficult to isolate the Sue. She would have to manufacture an incident where the Sue would go rushing of heroically by herself to save Atlantis. Through careful observation of the creature, she had learned what kind of situation it would take. Now all she needed was some time to do a little programming.
***
The Gateroom was in chaos. A fleet of ships had appeared on the long-range radar and were rapidly closing in on Atlantis. The Gate had been activated and the shield was not responding to any commands. Despite Kalindra providing them with three fully powered Zero Point Modules, they couldn't get the city's shield working. They were helpless.
"Hand over Kalindra or I will blow up Atlantis" came a menacing voice through the Stargate.
"Oh, I must go! I couldn't live with myself if I caused your destruction!" cried the Sue, gazing soulfully into Sheppard's eyes.
"No! I could not live without you, dearest Kali" He begged.
"I must go! It is your only hope!" The Sue wept before descending to the stairs.
"No! Remember the prophecy! You are the only one who can save us from the Wraith!" He cried. She gave him a last, tragic wave before stepping through the Gate.
***
"Who are you?" The Sue demanded forcefully as she strode down the dark hall.
"Me? I am your destruction Kalindra Quasana Aenora – or should I say Mary Sue?" Elin smirked.
"What? What are you talking about?" cried Kalindra.
"Don't try to hide it. I know what you are. I have hunted many of your kind before" She said, advancing menacingly towards the Sue.
"No! This isn't how it was supposed to happen!" panicked Kalindra.
"Don't worry. This won't take long. However, I can't promise that it will be painless. Now hold still," The Sue shrieked and ran off. "Well, that was useless." muttered Elin.
***
The stupid thing had backed herself into a corner. It was easy to catch her, but Elin simply followed from a distance, occasionally coming close enough to panic the Sue – but now she had tried to hide. Her location of choice was a convenient ruin. Elin slowly walked up to her, watching the panic rise.
"No! Please don't kill me! I had no choice! I cannot help what I am!" She cried.
"Don't lie to me. There is always a choice – how do you think Hunters are born, hmm?" She smiled as the Sue screamed. "Now, let's have a little fun with gravity, okay?" The chamber started to change its shape, and a variety of tools appeared before Elin.
***
"Please! Spare me! I beg you! PLEASE!" sobbed the Sue. She was ignored, and Elin kept toying with her last knife.
"No, I think I'm getting rather bored with you now. You have the same reactions to everything. It's just no fun anymore." She commented before letting go of the blade and watching it plunge into the Sues heart. Just to be safe she removed the head before burning the corpse. You could never be too careful.
***
"So, how come you were the only one not affected?" asked Weir a few hours later.
"Well, I've encountered these creatures before on Earth. After a while it is possible to build up a resistance to it." Elin replied calmly.
"You're saying that there are more of these things?" shuddered Sheppard.
"Yes. Fortunately on Earth there are people specifically trained to deal with them. I spent some time with one a few years ago – she taught me a few things. I never thought I'd have to use them though."
"Well, thankfully you dealt with it before it could cause any permanent damage-" began Weir
"No permanent damage? I'm scarred for life" grumbled Sheppard.
"-but I think it's about time you restored the computers. How did you get them to do that by the way?"
"That's my little secret" Elin grinned.