Senior don your hunter’s cloak. Its colors will shine bright through the trees while we hunt for blood. - Reference to the colors of his horn (shiny, blue tip), or the white skull marking on his poll.
No matter, though it’s no fun to hunt the fray alone. - A recluse, he would hunt "alone".
Blow your bugle louder than you speak please, so that the other hunters will hear you and not make mistake when they shoot to kill. - He doesn't speak much, and usually remains fairly quiet.