I have not really ever patched over WoW but after my attempts of using speedhack/noclip/engineering to get to GM's island (even though its going to be boring, I just like trolling with GM's though tickets) I have settled on patching over WoW.
My mate told me if you patch over WoW you edit the game data you see stuff differently, E.G. if you get a patch to make a mountain a ramp so you can walk up it, is that true?
If it is, what do other people see? do they see you walking on air or are you in a different "phase"? Also can this be done on Blizzard's official servers.
If it can, can someone link me to a patch that works with 4.0.1 to get to GM's island and a tutorial to patch over my WoW?
If not I'll search for it once my other questions are answered.
Sorry if my English is bad, been up all night.