10 minute cooldown (must be Google Lens translator mistake). It can be used any time you equip the Divine Spirit, there is absolutely no require to master the skill. The Dark Lord character gains encounter factors when he equips the stock and gains experience factors by looking . ① https://socialmediainuk.com/story22309354/not-known-factual-statements-about-divine-spirit-e-dark-horse-mu-season-20