From Fwooshnet.com:

If you’re an X-Fan or you enjoyed Endsong this looks like it’s going to be a stellar follow-up.

From TheComicsReview.com:

… this is a solid and likable read. It feels like a big time book, and Pak is willing to write some risky character arcs.

From NoisetoSignal:

It’s a strong start and even without Land on art, it’s hard to find anything to complain about. Pak seems to improve with every new comic he writes.