From LSWiki

Class: Combat Skills
Attribute: Constitution
Pedagogy: Physical Training

The ability to reduce the damage inflicted on one by blows, in particular 
blunt impacts, through muscle training and techniques.

Notes

Trainers

Nexus: Goth
Yathryn: Kajax (worship requirement)
Association:
Guild:
Brute Squad: Fezzik
Hawkmen: Katar
Quest: