GUIDE · BATTLE STRATEGY
The Mountain Siege layered-defense plan
The Mountain Siege combines an immediate assault on a Vietnamese fortress with an economy that must expand beyond its cramped starting base. Le Loi must eventually reach the far corner, so he cannot remain sheltered in the Castle throughout the mission.

Overview
The Mountain Siege combines an immediate assault on a Vietnamese fortress with an economy that must expand beyond its cramped starting base. Le Loi must eventually reach the far corner, so he cannot remain sheltered in the Castle throughout the mission.
Plan and execution
Regroup the scattered starting army as the fortress receives the first Ming attack, then clear a safe route south toward berries and gold. Build Villager production and secure eastern resource sites with military escorts; add Town Centers where the base has too little farming room. Divide the force into a fortress garrison and an eastern field group, reinforcing both with mobile units, Monks, and defensive towers. Keep Le Loi with the expedition that can later escort him to the corner objective.
Risks and adaptation
A single army cannot defend every approach while clearing the map. Avoid sending unprotected Villagers east, and do not let the fortress reserve chase attackers away from its walls. Keep a mobile group available to reinforce whichever front is under pressure.
- Signature / category
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- Age of Empires II system
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