Ghost of Tsushima: Key of Koshimizu
Ghost of Tsushima' Key of Koshimizu is one of six keys that lead to Gosaku's Armor. It's gifted by the farmers of Koshimizu Farmstead.
The Key of Koshimizu is one of the key items in the game, items of special significance found during your travels in the world of Tsushima.
Koshimizu Farmstead Map and Location
You need to liberate the Koshimizu Farmstead before you can get the Key of Koshimizu
Visit our Ghost of Tsushima 100% Walkthrough to get more details.