Catharsis

Catharsis
Availability
Introduced in	Age of Empires III: Definitive Edition - Knights of the Mediterranean
Age	Exploration Age
Research
Researched at	Athos Monastery
Coin	250
Research time	30 seconds
Effect
Grants a trickle of 2.5 XP while the player's units have not been damaged in the last 30 seconds

“	Grants a small trickle of experience whilst no damage has been inflicted to your units in the last 30 seconds. • XP Trickle: 2.50	”
—In-game description

Catharsis is a technology available in Age of Empires III: Definitive Edition - Knights of the Mediterranean that can be researched at an Athos Monastery. Once researched, it grants the player a trickle of 2.5 XP while their units have not been damaged in the last 30 seconds.