Hey, Alan! Wow, hats off to you for boldly going after this. Not my genre either, but you seem to have captured the essence of what I think of as metal. Very cool progression, just the right amount of repetition. The mix sounds good, too. That solo wore me out, but maybe that's the way it's supposed to be. Very cool excursion. Congratulations!

FWIW, last metal album I listened to was Paranoid (1970). When it was new...

DC Ron
BiaB Audiophile
Presonus Studio One
StudioCat DAW dual screen
Presonus Faderport 16
Too many guitars (is that a thing?)