This page of our guide to Ghost of Tsushima has a walkthrough for The Traitor quest.
How to unlock: Complete The Husband side mission.
Where to start: Eastern part of the Golden Forest.
After talking to the camp residents, you and Masako go to the lighthouse.
There's a bunch of enemies waiting for you - kill them all to continue the mission.
Climb to the top of the lantern and talk to the woman to finish the quest.
- Legend increased - smaller bonus;
- Lesser melee charm;
- Dye: Samurai Clan Armor.