started a dangerous game that's not won by the person who made the first move chose to be targeted by all those eyes i guess i am guilty, i'm only a man but this world is imperfect, too every day took a chance to get caught in the fire these flames do not burn like i do

Theories

look a little deeper

Again, these are my opinions.

Goals - Why does he feel the need to acquire more power?
Dante + Vergil = Sparda - A small Equation.
Wing?! - I saw a wing. I explain it here.
Lost soul - Vergil / Nelo Angelo as a puppet (more than he already is).
Devil May Cry 4 theory - What Devil May Cry 4 hints at.