This spell functions as sanctuary, except creatures attempting to attack the target who fail their saves also feel a strong sense of pity toward the target, as if it were weak, pathetic, and not a threat. If the target breaks the spell by attacking, any creature that failed its save against the spell gains a +2 morale bonus on attack rolls against the target for 1 minute.
Now what happens if I turn invisible and then go cast this on to enemy commander?
This is not a damaging spell, so it wont turn me into visible, but what happens to the how the enemies see their commander? Especially those who wants to take his place himself? Can they now try to dethrone him as he seems to weak or does their pity prevent making any other harm than speaking ill?
Now into the juice. When the commander takes some discipline actions toward his men or makes attack att visible pc, is that all the one who failed save, get +2 morality bonus against him. While it is fun bonus to players alone, is there any change that the enemies takes the action themselves without outside help or make some 'misplaced' hits while fighting with us?
Or if cast in middle of fight, would it ruin the morale to fight of enemies if their boss suddenly seems to be weak?
It has no effect on the commanders allies, even those who would not be overly upset if he died. It only affects opponents actively trying to harm him.
Per invisibility, I think casting the spell would break it. "For purposes of this spell, an attack includes any spell targeting a foe or whose area or effect includes a foe. Exactly who is a foe depends on the invisible character's perceptions."
Damn...I translated attempt as intention.
So you can use it on fight, but only those who lose their attack against him, gain the bonus. Well, I guess it can be used on enemies during very long battles.