What are ruins and garrisons for on the Dragonfire map?

Ruins are special map tiles that, once taken, give you garrisons: defensive forces stationed there that strengthen your position in the area.

Key points:

• You'll come across ruins of different levels (Lv.1 to 13 depending on the zone).
• The "Ruins Reinforcement" research gives +1 garrison per level → more defenders available from your ruins.
• Garrisons are there to hold ground without tying up your attack armies full time.

It's a lever of territorial presence: taking and garrisoning ruins around a strategic point (a seat, your alliance zone) makes the area harder for the enemy to take back. Combine garrisoned ruins + held seats to lock down a sector of the map.