He clears his voice a bit and replays the part he sings the best.
"I was the fear, of men. But I was blind, I couldn't see the world there right in front of me. But now, I can. YeeeaaAAAHH!"
"'Cause I lost it all! Dead and broken my... Backs against the wall.." as his voice gets quieter, he feels his strength lessen, and his consciousness slip. He knows that this darkness inside of him is what he had inside. The hope and light he tries to keep shining as well is causing too much strain inside.
