Thunder rumbling and rolling with no rain
Deep impact and slowly ascsending bells of doom in a huge space with creepy background noises
Heavily distorted scraping bass drone with deep rumbling in a huge space - massive and frightening - ...
Very unpleasant texture with a lot of distorted noise, high drones and very deep rumbling accents
Low rumble pulse. Processed human voice.
Rumbling distant thunder. Processed human voice.
Low bass rumble with delay. Processed human voice.