10 minute cooldown (need 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 over a mount, this character is actually a terrifying force which instructions his Dark Raven and Dark Horse https://gregoryluaei.ageeksblog.com/34387264/5-easy-facts-about-divine-spirit-e-dark-horse-mu-season-20-described