Telaen assesses the presence and number of living creatures. The door at the end clearly leads to a storage room, and Telaen doesn't feel like going there yet, especially after his companions' manipulations with the corpses.
Above the door was written: "Kitchen".
In general, I use invisibility and go to the deck with windows. If you've killed everyone there, I peek through them to assess the situation. If not, I hide somewhere. It's difficult to navigate with these endless doors and corridors.
Небо – угроз не слышит
Небо – ведёт особый счёт
Небо – тебя найдёт