Suddenly, a lot of things started to make sense. "I see...so that's why she wanted to kill you so badly." Nathan's voice was controlled and steady. "Personally, I'm fine with ending this non violently if it's possible...but that doesn't mean that I can just walk away from this like that. If you're not here to fight, then just what are you here for? Surely someone as powerful as you doesn't have anything to fear from someone as puny and weak as me, right? So there's no harm in telling me anything, is there?" Nathan asked. "Let's start with what you called me; The Sentinel. Just what is that, and how are you so sure that it's me?"