Riff 1:
C#m
Day after day as I bodies slay,And the sun becomes dark in the sky
Am
Everything's lost for this human race,And the dawn of a new age will rise
.....
Riff 2:
Ab Am E Bm
No more hope As we raise our hands to the sky
Riff 3:
C#m Am E Bm
On the endless sea of madness we sail forever more
https://www.coveralia.com/acordes/black-winter-night-dragonforce.php
C#m Am E Bm
And the endless tears of sadness towards the distant shores
Riff 4:
Ab Am Bm
With the power of the almighty sword
That is the basic Verse structure
If you want to play lead
Verses: E major pentatonic scale
Chosus: Ebm pentatonic scale due to key change