[*]/mercassist on - Turns on Mercenary assist.
[*]/mercassist off - Turn this off.
[*]/mercassist - this activates the merc when /mercassist is on.
[*]/stance passive - puts the merc in a passive stance.
[*]/stance aggressive - this puts your merc in the aggressive stance.
[*]/stance burn - puts the caster/melee dps merc in a burn stance (warning: high agro).
[*]/stance balanced - puts the merc in a balanced attack/heal stance...