Disengage is a command that will remove you from combat if you are assisting or fighting a mob that does not engage when attacked.
Entering the command when not in combat receives the following message:
But you're not fighting anyone!?
Entering the command when in combat succesfully:
You disengage from the fight.
Entering the command when in combat with an opponent that fully engages:
It's not likely your opponent will comply.
In Game Description
Syntax: disengage This command attempts to end combat, without fleeing. Obviously, this will only work if your opponent is not able or willing to continue fighting. If your opponent is attempting to flee or is unconscious, the battle will end. SEE ALSO: Flee