Starting with a clean, but also close sound/sample to what you want to achieve is something that I've found to be very very important to making these metal guitars sound good. If you want, I can send you a DM of the name of the kontakt library I use (I kinda selfishly keep it a bit of a secret)
on Heavy Guitar Loop 2 - Guitar and Bass 150bpm by Auver
on Heavy Guitar Loop 2 - Guitar and Bass 150bpm by Auver
on Vocal Atmosphere 150 Bpm by yunuscaferoglu
on Broken heart by Fayz
https://youtu.be/dODGk54Fq9M