Help: Red Sun Discipline Class: Samurai Type: Passive Remort Path Unlock: Samurai class remort 10 Red Sun Discipline sharpens the Samurai's controlled sword forms. It strengthens the early-remort Samurai rhythm and improves disciplined blade techniques such as Katsuragi Strike and Severing Wind. This is a passive reward. Once unlocked, it works automatically with the Samurai skills it improves.