From LSWiki

Crushing Resistance is DEAD! R.I.P. It isn't here anymore. Don't bother looking for it in-game.

   Crushing Resistance

   Class: Physical Conditioning Skills
   Attribute: Vitality
   Pedagogy: Body Alteration
   Specialty Required: Degree I
   Hidden Skill

   This skill represents the conditioning of one's body to resist being
   damaged by blunt weapons.

   Development Information: The crushing resistance skill was created by
   Chaos; the source code was last updated Wed Jan 31 04:34:13 2007.

Trainers

Temple of Discordia: Erasmus
Association:
Guild:
Quest: