[Event] Mount Skill Change Coupon (7 Days)

- Description: Changes your mount's skill. ※ With this item in your inventory, go to a stable and open "Manage Skill", or select "Change Skill" in the Mount Information window to change one of your mount's current skills with a set probability. ※ This item cannot be used on guild and NPC-obtained mounts.

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