Ranged Armor 2: This unit takes 2 less damage when attacked with Ranged attacks.

Heavy Ship: Can only move on water. Allied units may move over water squares this unit occupies. Deploy this unit onto a water square surrounding one of your units.

Battering 3 (Ranged): This unit does +3 ranged damage against buildings and siege units, ignoring all their Armor effects.

Large, multi-decked ships. The flagship Göke of Ottoman Admiral Kemal Reis, from the late 15th century, could transport 700 men and was armed with cannons.