How to growl (Amon Amarth, Opeth, Morbid Angel style)

Disclaimer: I am not a vocal coach, expert or influencer. If you have questions, please drop a comment and i'll try answer as best i can.
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Intro song: Sodomisery - Resurrection
(from my bands first EP with previous singer)
• Sodomisery - Resurrection
----------- My band -----------
linktr.ee/sodo...
----------- Me -----------
linktr.ee/slow...