Review Detail of Xravia in Apocalypse Meltdown

The characters lack depth and are bland, allot of typical troupes are thrown in and even worse is that every chapter makes me disbelieve the story it is creating, as the author powers up the protagonist with no effort at all. Then there is a 12 year old girl that acts like a 50 year old man which is left unexplained unroll the MC saves her, now she 'trusts' him completely.....