Purely junk food. Lots of spelling and grammar errors, and in one spot it inexplicably changes from third person to first person in the same paragraph.
The main character, Kovach, spends the final third of the book slowly dying and complaining about how hard it is to keep going, but the suit keeps him going with injections (stimulants and pain killers). The “cliffhanger” at the end is no great mystery (it’s more of an annoyance, since a solution to Kovach’s need for medicine is hinted at more than once).
The question of who initiated the attack is never answered, but the arms company that did all the genetic research creating monsters is far from blameless.