There should be a trial in this game that does an attack on a random party member.
Another player has to do a mechanic to prevent you from being hit.
If you are hit you change to another race or gender.
That effect is permanent and you need to use a fantasia to undo it.

Another:
The game has a number of quests were you have different scenes with different scions.
Each time you choose one that scion gets a hidden point in affection.
At the end of the quest that character get's posessed and you are forced to kill them.
That quest cannot be skipped, you have to do it and the devs go out of their way to implement it at random so you can't have a guide for that.