On the high king's trail

To begin this quest, return to the governor's palace in New Sérène after completing The trial of the waters quest. You will find out that Constantin and Catasach went out of town and disappeared.

1. Question Derdre, Ullan or Dunncas, the clan leaders

Derdre: Derdre's Abode in Tír dob - Requires Camp of the Ordo Luminis

Ullan: King Ullan's House in Glendgnámvár - Requires A peculiar alliance

Dunncas: Dunncas' Abode in Vedrad - Requires The blood price

2. Question the high king's loved ones in Wenshavarr

3. Meet with Céra near Couwis, the cave of knowledge

4. Release Céra

5. Bring Céra outside the camp

6. Follow Céra to Couwis, the cave of knowledge

7. Explore the cave

8. Find a way to get out of the cave of knowledge

9. Find the passage in the mountain