Ghost of Tsushima: Mamushi Venom
Ghost of Tsushima's Mamushi Venom is a sword kit with the description "Your blades strike home with venomous precision." It is one of the appearance upgrades for the Sakai Katana acquired as a reward from Pillars of Honor.
Mamushi Venom's Exact Map Location
The Mamushi Venom can be found in the Sakimori Overlook Pillar of Honor.
The Sakimori Overlook Pillar of Honor can be found in the Center part of Izuhara Region.
Here is the exact location of Sakimori Overlook Pillar of Honor with the map zoomed out.
Visit our Ghost of Tsushima 100% Walkthrough to get more details.