Herbal Medicine

Herbal medicine  is a technology in Age of Empires II: The Conquerors. It is available to all of the civilizations excpt for the Byzantines, Huns, Teutons, Turks, and Vikings. For the Aztecs, Herbal Medicine also grants Monks five extra hit points.

Herbal medicine increases the mobility of defensive troops dramatically. Damaged and worn down armies can retreat into castles and towers, provide covering fire, and then emerge refreshed.