[Event] Hidden Shakatu's Luxury Box

- Description: A luxury box found in a secret storage that was created by the Shakatu Merchants long ago at the Velia Coastal Cave. Right-click to obtain several of the following according to a set probability: Inventory +1 Expansion Coupon Black Spirit Essence Mount Skill Training Coupon 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) [Event] Item Brand Spell Stone Mount Skill Change Coupon Theiah's Orb Inventory +4 Expansion Coupon [Event] Reward Seal x600

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