Jon left the Kal with the Wither while he, Vrenna, and San'doro went to Ca'daan and Gauve.
The wither battled the Kal as Jon and the others sought after Ca'daan and Gauve.
mnli hypothesis: The wither battled the Kal as Jon and the others sought after Ca'daan and Gauve. premise: Jon left the Kal with the Wither while he, Vrenna, and San'doro went to Ca'daan and Gauve.