Life of black, then, reds and gray. --> He is black. His brother and mother are gray. His father has a red malamute.
Vendettas turning innocence to death, --> He killed an innocent colt
Then to a government’s magpie.
It's more than you need.
The father, son, and holy ghost are enough for anyone. --> Father, Archibald. Son, Reginald or himself. Holy ghost could refer to his deceased sister.
Not that you’ll be going that direction. --> Is an outcast, could be interpreted as having no "direction" for his life.
Holy water cannot help you now
Thousand armies couldn't keep me out
I don't want your money
I don't want your crown
See I've come to burn your kingdom down