As you go through the main quest for Bangkorai you will visit this part of the map. King will be waiting for you to finish the job with the Imperials and if you look to king’s right you will see the shard shining. You can talk to the king then and get theAll this happens during “Trials And Tribulations” quest. There are no prerequisite quests you have to complete to be able to access this area though. It just so happens that the final Bangkorai quest unravels here.