"Unyielding Spirit (technique)"@en . "Unyielding Spirit was an Order of Persistence technique which taught how to be stubborn in both body and soul. They did not simply endure the wrathful assaults of others, but learned to push forward actively toward their goal."@en . "Unyielding Spirit was an Order of Persistence technique which taught how to be stubborn in both body and soul. They did not simply endure the wrathful assaults of others, but learned to push forward actively toward their goal."@en . . . .