Lets Try To Avoid What We May Have Created

[Zerious]

Well first of all it is a mmo, with all of the actual data stored in their own servers. That alone makes it pretty much impossible to hack the client, and reasonably difficult to hack their actual servers (and get away with it lol)
Secondly, they update very very often, and the slightest exploit glitches found usually last from 3 hours to 2 days. (eg 1 handed gurg hammer, shadow mummy xp, Halloween dungeon xp, shadow caves items, etc).

you forgot the helm that actually had a 2h blue sword sprite stack with your current weapon was