A model with this upgrade increases its Weapon Skill Characteristic by +1 and gains the Character Unit Sub-type and the Aucteller special rule. Aucteller: When engaged in a Challenge against an enemy model with the Knight, Titan or Monstrous Unit Sub-type, the Primarch Unit Type or a model with a Wounds Characteristic of 8 or higher, a model with this special rule gains +1 Weapon Skill and +1 Attack. This bonus to Weapon Skill is in addition to the +1 Weapon Skill increase from the Aucteller upgrade detailed above.
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