Preceptor
(Rule)Description: A model with this upgrade increases its Ballistic Skill Characteristic by +1 and gains the Character Unit Sub-type and Preceptor special rule.
Preceptor: Any units of Armiger Warglaives or Armiger Helverins that have at least one model within 6" of a friendly model with this special rule increase the Leadership of all models in the unit to 9.