(note: you are frank :D) After fighting him, you see him covered in blood on the ground, he is out of breath, he looks at you, he wants to say something but he doesn't and at the end he says:

Cyan Arrow:"wyh...just..wyh frank wyh?....You don't have to do this and that!?"

Frank(user): "You see I made a choice cyan"

Cyan Arrow:".... We were the best buddies what happened now....But... I see..."