The most common “better performance” you’ll see is your CPU running at 100% even when the bot is idle. Many cracked WRobot packages bundle silent cryptocurrency miners. You’re not farming gold in TBC; you’re farming Monero for a stranger.
(version 3.3.5a) is widely regarded by developers as the most mod-friendly client
No legitimate cracking group maintains three separate, update-proof emulation layers for a closed-source bot like WRobot. This is your first red flag.