This Trophy / Achievement is obtained by completing 3 Cairn challenges. These are the mysteries which involve stacking stones in scenic locations to create a cairn, and they’re located throughout the game world. There are 13 in total. Below is a list of all Cairns, and links to pages detailing how you can complete them:

• Torghatten Rock - Hordafylke
• Cernewood - Ledecestrescire
• East Cape Peak - East Anglia
• Titterstone Clee Hill - Sciropescire
• High Rocks - Suthsexe
• Ingelborg - Eurvicscire
• Maen Ceti - Glowecestrescire
• Cleeve Hill - Glowecestrescire
• Kinder Downfall - Snotinghamscire
• Heald Tor - Hamtunscire
• Ionhontsiio:ke - Vinland
• Litamiotvitr - Asgard
• Atgeirr - Jotunheim