From LSWiki

Class: Resistance Skills

Attribute: Willpower
Pedagogy: Mind Alteration
Practitioner Term: Practitioner of Psychic Integrity
Specialty Required: Degree I
Hidden Skill

Individuals with this ability have a highly integrated psyche that resists any kind of harm or interference.  Psionic attacks are
less effective against such persons.

Psychic integrity can be increased by exposure to vril.

Notes

Trainers

Location:
Camille: Stephanos
Association:
Weapons of Vengeance: Varn