10 minute cooldown (have to be Google Lens translator mistake). It can be used whenever you equip the Divine Spirit, there isn't a need to find out the ability. "Driving into fight on the mount, this character is a terrifying pressure which commands his Dark Raven and Dark Horse https://touhou-danmaku-kagura-pha06161.bloggosite.com/42668918/a-secret-weapon-for-divine-spirit-e-dark-horse-mu-season-20