CVar reducedLagTolerance

Enables the Reduced Lag Tolerance slider. See MaxSpellStartRecoveryoffset to set the actual number. This controls how much of a lag tolerance is given when you wish to queue abilities up.

Default Setting

 * 0

Possible Settings

 * 0 :Off
 * 1 :On

Changing this setting
In-game, type the following /console reducedLagTolerance setting

Alternatively, you can exit wow, open the Config-cache.wtf file, and add the following line: SET reducedLagTolerance setting