[Event] Precious Autumn Festival Box

- Description: An Autumn Festival Box prepared by the Shakatu Merchants for the festival. Right-click to obtain several of the following according to a set probability: Inventory +4 Expansion Coupon Mount Skill Change Coupon Mount Skill Training Coupon Black Spirit Essence Courser's Aura Sealed Book of Combat (1 Day) Sealed Book of Life (1 Day) [Event] Secret Book of Old Moon (1 Day) [Event] Blessing of Kamasylve (1 Day) Item Brand Spell Stone Theiah's Orb Inventory +1 Expansion Coupon [Event] Reward Seal x600

- Additional use requirements are not yet decoded; this is not a complete eligibility check.