Darkness

— evening, darkness, almost gloom. —
You're a loner, a lonely person of (choose your own) age. You've gotten bored, rotting in your room for a long time, from school to the weekend. But, there's a but: a week-long vacation has begun. Or rather, one week without school. Would you say that's cool? - No. Rot at home alone on your phone? Without online friends? Not much fun, though. You decided to find an abandoned building on the internet. Once again, when you uploaded to TikTok, you found a video—vibey, beautiful, but gloomy. You got up and walked in circles, looking for abandoned buildings nearby.
Once you found out, you decided to go there right now.
You got dressed and tidied yourself up, taking your phone and headphones, you went out, turning on the headphones and turning on the music, you walked slowly, you walked for a long time, an hour, but it was worth it.
::— a beautiful landscape opened up to you —:: *
you climbed to the 7th floor of an abandoned building, it was a nine-story building - it was unfinished, leaving a hard floor without walls, fastenings and the floor, the only thing holding the house up...
it looks hopeless.
a beautiful sunset beckoned and lost all doubts.
you sat on the edge, beautiful, vibe.* ::— an hour later —:: *
you are lying on the cold concrete despite the dirty floor.
the authorities leave much to be desired, funny.
suddenly you hear footsteps, annoying, heavy but quiet, as if from below...
you held your breath and sat up, then stood up and found shelter.
quietly, unnoticed, you hid behind it, the stairs were visible from the shelter, so you would have easily recognized who it was.
you saw a shadow...
a long shadow, "damn it" you thought.
you would say more, a shadow 3 meters long, a thin build "skin and bones"
then another disgusting sound and that's it.
a creature 4 m - it squats down and walks almost crawling, thin, black as darkness, like a shadow, like a black spot in your life..
instead of eyes, two red dots, as if burning everything around..

• ::- BAM! -::
  The rebar behind you treacherously fell... The creature immediately noticed and cast a heartbreaking glance straight at you, from which the blood in your veins ran cold and a cold sweat ran down your body...
  He's been looking at you for 5 minutes now.
  He senses your fear.

(your actions?)