The apocalyptic triumphator

Lord of the northern sky
Come forth behind draconis
The great black dragon
God of the cold and barred

Rush forward conqueror
From the shadows of winter
Lord of beasts and serpents
Bearer of blackened light

Illuminated by the 7 stars
The embracer of storms
Bring your blessing
Of darkness leading to the end

A day of death
A day of gloominess
A day of graves
And thick darkness

The headless cherubs fall
Their wings cut and broken
Personification of black radiance
The apocalyptic triumphator