[Event] Precious Autumn Festival Box

An Autumn Festival Box prepared by the Shakatu Merchants for the festival.
Press Secondary Attack 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