DEFEND     <who>                                time: 0 days    priority: 0

Declare a unit or player to have attitude defend towards another unit or player who. When a unit is attacked, other units which have defend attitude to the unit will join the combat and aid with defense.

When a combat occurs, the attitude of the top-most character in each stack in the location is checked. If any unit is declared defend to the victim of the attack, the unit's stack will join the combat on the victim's side.