| Basic War Machines | Makes war machines more effective overall. Increases Offence, Defense and Damage of Ballistae. Increases Catapult's Damage and grants it a 30% chance to hit. The First Aid Tent receives increased Healing Power. Ammo Cart gains an ability to increase offence of ranged units in hero's army by 1. |
| Advanced War Machines | Makes war machines more effective overall. Increases Offence, Defense and Damage of Ballistae. Increases Catapult's Damage and grants it a 40% chance to hit. The First Aid Tent receives increased Healing Power. Ammo Cart gains an ability to increase offence of ranged units in hero's army by 2. |
| Expert War Machines | Makes war machines more effective overall. Increases Offence, Defense and Damage of Ballistae. Increases Catapult's Damage and grants it a 50% chance to hit. The First Aid Tent receives increased Healing Power. Ammo Cart gains an ability to increase offence of ranged units in hero's army by 3. |
| Ballista | Allows manual control of the Ballista. Ballista gains one extra shot. Restores the balista after the battle if it was destroyed |
| Cannoneer | Allows manual control of the Catapult. Catapult gains one extra shot. Restores ammo cart after the battle if it was destroyed |
| First Aid | Allows manual control of the First Aid Tent. Restores the First Aid Tent after the battle if it was destroyed |
| Imbue Ballista | Imbue Arrow ability will now affect Ballistae as well. All Ballistae shots will carry Ranger's enchantments and therefore drain Ranger's spell points. |
| Last Aid | The hero's First Aid Tent receives an ability to damage enemy creatures. |
| Remote Control | At the beginning of the combat one of the enemy War Machines comes under your control. |
| Shake Ground | Hero acquires Earthquake spell and the ability to cast it with shaking effect, damaging and stunning all creatures behind fortress wall |
| Triple Ballista | Ballista gains another extra shot (up to 3 consequtive shots total if hero is proficient with ballistas). |
| Triple Catapult | Catapult gains another extra shot (up to 3 consequtive shots total if hero is proficient with catapults). |