[Event] Hidden Shakatu's Rarity Box

- Description: A rarity 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: Elion's Tear Valks' Cry x2 [Event] Artisan's Memory [Event] Megaphone [Event] Energy Tonic (L) Unknown Dye Box [Event] Reward Seal x400

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