10 minute cooldown (have to be Google Lens translator mistake). It can be used once you equip the Divine Spirit, there isn't a require to understand the ability. "Riding into fight on the mount, this character can be a terrifying force which commands his Dark Raven and Dark Horse https://finalfantasyviirebirthrev10865.imblogs.net/85194569/the-2-minute-rule-for-divine-spirit-e-dark-horse-mu-season-20