this is sick. if you listen carefully, part of it is very similar to One by Metallica. not sure if that was on purpose or not, but it seems like a great homage to them. keep it up!
The riff sounds similar to like a Hypothermia song. If you haven't heard them yet, check them out. It is Depressive Suicidal Black Metal. They have nice and calm songs. When I listen to them I just fade away in my head. Great job, btw!
Joder, que buen riff, a la vez tranquilo, triste y misterioso, aunque en cierta parte me recuerda a "one - metallica" se oye chido con un poco más de retoque🤘🏻🎸