It seems really good, i can never find any storys with fallout tech or or halo tech. I really hope you continue. Also i really like angel races, everyone does demons these days.
Try out commonnerfer's An Endless New Dream if you like those imo, she has a fallout system in RWBY and spreads out into Harry Potter, Monster Hunter, Alucard Abridged etc. (It's a genderbended yuri harem novel and a very well done one where romance and tech is concerned as well.)