Ghost of Tsushima: Charm of Advantage
Ghost of Tsushima's Charm of Advantage is an Omamori charm that enables Ghost Weapons to deal 20% more damage. It is acquired by completing the quest The Cost of Iron.
You can equip charms by placing them in available charm slots.
You can increase the number of your charm slots by discovering Inari Shrines which are scattered throughout the island of Tsushima.
Visit our Ghost of Tsushima 100% Walkthrough to get more details.