You have traveled to the Giantsgall Grounds and can receive some giantsgall from Zeynuha.

Requirements

This quest is available if you have completed the quest A Boy's Errand.

Starting the Quest

Talk to Zeynuha in Thavnair to begin the quest.

Deliver the Sack of Giantsgall

Go southwest to where the orange arrow is pointing in the minimap. Enter the building south of the aetheryte and talk to Nidhana. Hand over the Sack of Giantsgall. There will be a cutscene.

Speak with Nidhana

Go northwest to where the orange arrow is pointing in the minimap. Talk to Nidhana and say Yes to proceed. There will be a cutscene. This one is important, so it is recommended to watch it either now or via the Unending Journey in an inn room.

Speak with the Radiant Host Soldier

Talk to the Radiant Host Soldier to proceed.

Speak with Thancred

You can either teleport to the Great Work, or you can go southeast to where the orange arrow is pointing in the minimap. Talk to Thancred to complete the quest.

Next Main Scenario Quest

After you complete the quest, talk to Thancred to accept the next quest: The Satrap of Radz-at-Han. There will be a cutscene.