6 quests, levels 19–20. Summaries say where each begins, not how it ends.
Eyes on the Cairn RoadLevel 19
Break the Cairn Sentinels around the Grey Cairn for marker chips, thin the fog shades on the Mistfall path and bring the chips to Caoimhe.
Names Beside the CairnLevel 19
Read the name stone beside the Grey Cairn.
The Grey CairnLevel 19
Fíona says the Mistcallers were waking a thane of the Barrow-Queen buried in the Grey Cairn.
The ProvingLevel 19
Bard Niall says you have proved yourself.
Before the Barrow RoadLevel 20
Discover the Quiet Stretch and Barrow Rise, find the waystone, and report to Seoras.
The Queen Under the HeatherLevel 20
Fíona asks you to enter the Old Barrow (any difficulty) with a group and defeat Sileas, the Barrow-Queen.