Mastering a class and understanding every circumstance and nuance of every class and reacting accordingly is how you'll achieve mastery over the game. Most of WoW is a testimony to your ability to play your character. What this means is simple, you can have a mouse or keyboard with 100 keybinds and as long as their using valid, non-timed blizzard macros you can mash them to your heart's content. Mice and keyboards that perform 1 action are considered legal by blizzard's terms of use. One click must perform only one action! But I want an advantage! It violates their terms of use and others have been banned in the past for using hardware that bypasses the limitations of the game.