X-15

X-15 also known as The first encounter. She's very hostile, very fast and extremely dangerous. She'll be the first one who will be encountered first at door 10. She'll only arrive when the lights flickered and will start all the way to door 0. She's very fast and no human will able to outrun her. She will instantly kill anyone upon contact or in her sight. The only way to evade her is to hide in the locker or a table or hide somewhere where X-15's hitbox can't touch you. She sometimes gets annoyed by X-45 or X-60. You can crucified X-15 to get rid of her. She can destroy all the lights in her sight. (Any gender and you entered room 10 and the lights starts flickering)