10 minute cooldown (have to be Google Lens translator mistake). It can be used once you equip the Divine Spirit, there isn't a need to understand the ability. "Riding into struggle on the mount, this character is really a terrifying drive which instructions his Dark Raven and Dark Horse https://pacific-drive-gameplay38383.dailyhitblog.com/41018189/not-known-facts-about-divine-spirit-e-dark-horse-mu-season-20