User blog comment:HalointheSkye/Volume 3 Chapter 9 Teaser - This is bad.../@comment-26397825-20160114005039/@comment-31.205.75.38-20160114094209

I'm guessing he's still meant to be at the Stadium but lying low - Cinder has 3 people to hand immediately, one of whom is busy in the arena and Cinder herself would probably be busy doing....villain things. Without Mercury she'd just have Neo to rely on.