From LSWiki

Class: Mental Skills
Attribute: Perception
Pedagogy: Procedural
Practitioner Term: Introspector

The ability to monitor and reflect upon one's own mental functioning, including 
one's thoughts, emotions, habits, dispositions, and motives.  Those skilled at 
introspection will have greater reserves of spiritual energy and recover it more 
quickly while resting.

Trainers

Gurbodax: Arjay Deo
Hanoma: Olaris Wanders
Sanctuary: Mistress Gwenneth
Shadow Tower: Sophratius
Veteran: wanders
Association:
Losthaven Guard: Berek
Guild:
Aisenshi: Musashi
Coven: Esme Wanders
Ordo Ignis Aeternis: Flizera
Ordo Ignis Aeternis: Pierce
Quest: