That's AU, You was In Doors Floor 2, You was In Mines, You was as Player, the elevator was falling down and then when u fall down to ground u was unconscious and then you looked at Seeks Eye in shadows and then at floor where black blob/gloo was boiling, seek arm get to you and welp it was too fast that u couldn't react and later, you opened your eyes and feel your head headache not feeling good, then you heared voice in ur head let say mind

Seek: I'm inside you now, I will be forever with you, you will be part of me now, get used to it, heh he sayed inside your head/mind/brain