From LSWiki

Class: Physical Conditioning Skills
Attribute: Vitality
Pedagogy: Body Alteration
Practitioner Term: Possessor of Robustness

This skill represents the resistance to disease and poison provided by a highly active immune system.

Robustness can be increased by exposure to pestilence, changing more quickly according to one's somatic adaptability.

Trainers

Temple of Discordia: Erasmus
Temple of Aeda: Phyrra
Association:
Guild:
Battleragers: Borulien
Ordo Ignis Aeternis: Iklam wanders
Quest: