GUITAR ROCK METAL SOLO LOOP JAM

I am not a Metal guitarist but I was able to make a pretty attempt to playing this. In this video, a friend of mine who is a metal guitarist visited me, so we were exploring my effect pedal of metal effect Sounds. When I heard this sound, I got connected then decided to loop in a chord progression and solo over the chord.

The Chords played in the video is A minor, G Major, F Major and E Major Chords. While playing to these chords, I entered the guitar zone totally. I didn't know what I played was really nice until some days after when I saw the video recording of me playing.