Act 1 Rogue merc has the new Fire Arrow with a burning trail.
Act 2 Desert merc: Offensive uses Blessed Aim, Defensive uses Defiance, Combat uses Prayer.
- Nightmare mercs cast blessed aim/defiance/prayer like normal and hell.
Act 3 Iron Wolf merc: Offensive uses Meditation, Defensive uses Cleansing, Combat uses Thorns
- cast Vengeance
Act 5 Barbarian merc: uses Might and Bash