Spells good with Paladin Amelie

[Tenbian]

Hello everybody,

pls let me know, how oilmist do

-1 morale?
50% boost to fire damage?

I only know, that a lv3 oilmist do -70% missile-damage and boosts the ability to set troops on fire.

Am I wrong?

pls excuse my english .

Regards Tenbian