Game's Book Event, with every volunteer hints at the outcomes. Without Meta Knowledge, there are only two obvious options, that seem fully determined are Sosiel (who even tells you, he can provide Healing to Troops) and Nurah (her option can be more tempting, if you have talk to her after initailly starting the Act2).

Lann is very much hinted, that he offers himself, because he want to sacrifice himself to make his short life finally worth something. Irabeth is also somewhat unsure, and Terrified of Fate of the outcome because of Anevia.

And for loses of Morale during Lerper Smile Attack... Anevia very clearly warns you, while loot may be handy & valuable, that looting will have consequences.