(ctor) VanquishDaemonObjective()
      (ctor) VanquishDaemonObjective( BoneDemon daemon )
      Corpse CorpseWithSkull( get; set; )
      object Message( get; )
      virtual void CheckProgress()
      virtual void ChildDeserialize( GenericReader reader )
      virtual void ChildSerialize( GenericWriter writer )
      virtual void OnComplete()