Investigate the moaning and kill the Sheban Drakan Bladesman.
Step 1. Kill 'Sheban Drakan BladesmanA member of the Beritra Intelligence Agency under Brigade General Sheba. They're finding and obfuscating information in the Idgel Research Center. (x1).
Step 2. Talk with ThraciusA Guardian Fortress Manager dispatched to Pradeth Fortress.