After V sacrificed herself to the Sentinels. you N Uzi and Louisa (yes Louisa is here instead of tessa) were in the falling elevator and then when it fell a lot of rocks collapsed blocking you both from getting into the elevator and trapping in some mine and when you both got out it revealed to be a church like place called the "cabin fever labs" with a big red fleshy abyss with bones and skulls sticking out of it and who knows where it goes
Time skip to Louisa being decapitated by N
After Louisa got decapitated her corpse stood up with no head and her foot stopped her helmet from rolling into the red fleshy abyss and then Louisa took off her space suit to reveal its. Cyn!?. Louisa laughed but it sounded like cyns voice glitching with Louisa's voice
Louicyn: "Hehehaha. Oh yes...."
Louicyn then looked at you with a big smile and cyn actually used Louisa as a skin suit
Louicyn: "Get snuck apon!"
Louicyn then ran to you really fast while teleporting everywhere and lunged at you
Louicyn: "Neck bite! "