In the Celt part of The Kolbrin, the ‘destroyer’ is called The Frightener.
https://grahamhancock.com/white many1/
https://educateinspirechange.org/alternative-news/the-kolbrin-a-history-changing-3600-year-old-lost-bible/
https://culdiantrust.org/blog/teachings/kolbrinkailedy/
https://archive.org/details/pdfy-UYOlu_UlIMBrR3ju