Ghost of Tsushima: Charm of Efficiency
Ghost of Tsushima's Charm of Efficiency is an Omamori charm that gives a 15% increase to nocking and reload speeds. It is acquired by completing the quest The Sensei and the Student.
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.