[Event] Grandpa Cron's Gift

- Description: Grandpa Cron's Gift of Repayment Right-click to randomly obtain one of the following: Kzarka's Sealed Weapon Box, Nouver's Sealed Sub-weapon Box, Kutum's Sealed Sub-weapon Box, Dandelion Weapon Box, Advice of Valks (+50), [Event] Black Magic Crystal Box, Extra Combat EXP Scroll, Extra Skill EXP Scroll, Liverto Weapon Bundle, Awakening Weapon Box, Sacred Statue of Asula, Oze's Music Box, Perfume of Swiftness, Perfume of Courage, Whale Tendon Elixir, Memory Fragment, Black Stone

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