Once back on the refuge world , Walker betrays To'Kekrops ' men .
Once back on the refuge world , Walker leads his own team back to Vroom to confront To'Kekrops , the spider at the center of the web of treason .
Once back on the refuge world , Walker betrays To'Kekrops ' men and leads his own team back to Vroom to confront To'Kekrops , the spider at the center of the web of treason .