Locked in the Shadow

To avoid spoilers, this is going to be a little unhelpful and very vague. This is pretty much just Zangetsu's thoughts from the scenes with him, in the manga. Spoilers for chapter 541 or so of the manga, don't read if you're not caught up! To anyone caught up, I swear it makes sense. - Canon storyline, no pairings, warnings for mild violence and severe angst.