You plan to give yourselves up to Gnath custody and destroy their god when they attempt to use you as a sacrifice.
This quest is available if you have completed the quest A Gnathic Deity.
Starting the Quest
Talk to Alphinaud in the Dravanian Forelands to begin the quest.
Provoke the Gnath Drone
Go south to where the orange arrow is pointing in the minimap. Talk to the Gnath Drone, then defeat the Marching Cultivator and Marching Steeldrone. Afterward, defeat the Marching Cultivator and the Marching Firedrone.
Speak with Ysayle
Go to the quest icon on the map and talk to Ysayle.
Fight Your Way Deeper into the Hive
Go southwest up the slope into the Gnath hive. Turn around and go east up the higher slope, then go through the gate between the two torches. Go east and dismount, then enter the purple circle. Kill the Marching Cultivator, then the Marching Steeldrone. Then kill the next Marching Cultivator and Marching Steeldrone. Afterward, kill the Marching Firedrone, followed by the Marching Steeldrone.
Wait for Ysayle
Go southeast and through the gate, then continue south and check on the sparkling Destination to complete the quest. There will be a cutscene.
Next Main Scenario Quest
After you complete the quest, talk to Ysayle to accept the next quest: Lord of the Hive. There will be a cutscene.