tl;dr: A decent start that turns into complete nonsense.

This manga starts out with a semi-decent though generic set up for a battle manga, though there are issues in that it seems to be too violent without properly committing to its violence. Though as it goes on this quickly begins not to matter as it descends into complete nonsense. There's really no other way to say it. The plot makes no sense. The characters make no sense and don't really have any personality either. The ending is some weird attempt at existentialism or absurdism that makes no sense. The combat and action are incredibly weak due to the abilities and battles being completely arbitrary. It's just an inconsistent nonsensical mess all around. The art had a good sense of style so sometimes it looked pretty good, but overall it was somewhat lacking in terms of quality.