Can be found in front of locked exit

Can be found in rooms behind this door


Near the altar you can see symbols on the floor, you need to stain them with blood using puddles around and walking over them

Is told via telephone later in game: sanctus
You can watch segment with a computer in a video linked down below

Is under this bench

Can be found behind the locked door near the beginning in the room to the left. In this room will be a hammer

Using a hammer from the last room break the rusty lock

Hints are written on the notes.
The sequence:Planks, lavender, rosemary, necklace, severed arm

There are only 2 missable achievements.

Static Liberator
You need to break TVs with the hammer. They are located in a room where you found a hammer and in the beginning




Swift Passage
Pretty much self-explanatory and not hard, you need to сomplete the game within 15 minutes.
Heads-up, you might need to relaunch the game to reset the timer, just pressing replay won't do as mentioned by Krombopulos Michael

Segment with a computer at 13:20
https://youtu.be/ILlWzHElZkI?si=q3ysK1LHiGzpo0vB