Deep long out-breath soft background.
https://youtu.be/F71w7dpblVg?list=RDMMF71w7dpblVg&t=276

Static which:
https://www.youtube.com/watch?v=WO34K4jN48M

Sound going nowhere/empty room/reverb
https://www.youtube.com/watch?v=wLdO2SZrHrE
Clock not ticking correctly
https://www.youtube.com/watch?v=uO-1HqexJc0

Static:
https://www.youtube.com/watch?v=y4wO3jQKiRA
https://www.youtube.com/watch?v=t0I4mTEdAf8&t=11192s

Death metal:
https://www.youtube.com/watch?v=F71w7dpblVg

Pig:
https://www.youtube.com/watch?v=qq_dN7ipdqE
https://www.youtube.com/watch?v=4n7bUYBYZPE
https://youtu.be/ss_0MvuhEvc?t=485

Exorcism:
https://youtu.be/29fpnF1DWoQ?t=1237

Exorcism:
https://youtu.be/29fpnF1DWoQ?t=1237

Animal sounds:
https://www.youtube.com/watch?v=pwo6BfwjFh8

Background:

Scream:
https://youtu.be/kHLHSlExFis?t=96

Horror stage:
https://www.youtube.com/watch?v=i5jLt1rTL5k

fire marking skin
cracking bones
sawing bones