It sounds like you're asking for a feature suggestion for a Wrath of the Lich King (3.3.5) private server with a "No GCD" (no Global Cooldown) mechanic — meaning all spells and abilities can be spammed simultaneously without the usual 1–1.5 second cooldown.
So go ahead. Bind every key. Smash your face on the keyboard. And for the love of Thrall—don’t blink. no gcd wow 335 new
The benefits of the no GCD update are numerous: It sounds like you're asking for a feature
Rogues suffer slightly because energy regeneration remains fixed. Even with no GCD, an energy-starved Rogue cannot spam Mutilate endlessly. However, Adrenaline Rush turns them into a blender for 15 seconds. no gcd wow 335 new