Ryder encounters Buxil after a rescue mission requested from her son Skeot to rescue her brother Niilj. Ryder learns from her brother Niilj after the rescue that vital data will allow the Resistance to access a base that is providing shielding for the kett.
Buxil informs Ryder on the data and how it will to allow access to a kett base. Time is factor though as the shield codes are changed frequently and these codes are now several weeks old.
Ryder goes to the kett base to take down the shields for the Resistance. When Ryder takes down the shields, access to the ancient city of Ja Niihk Dig Site will become available.