sorry to bust your bubble but their is ppl out their that will hack the game online or offline. i play a game that is online only and that game was hacked and the two ppl that was using cheats on it is now banned for life from xbox live. online or offline sooner or later some stupied person will hack their way into the game. i will agree to doing both offline and online game play to this game. i like the idea of it, but both ways have its ups and downs to it. yes i got times that i only want to play alone. then i got days i would like to play with ppl. its nice to have that chance to do it but their is times that i was glad that i had other ppl to help me out in it, but its all on bungie if they are going to or not.

Also, usually games have your character saved online in their database so next time you play it reverts back to that even if you try to modify your character it will recognize the changes and either A) nullify those changes Or B) completely revert to the character in their database