[Event] 530 Times Sweet Cake

- Description: A special cake for a special day. One bite and you will remember its exquisite taste for a long time. - Effect: Combat EXP +530% - Duration: 530 min ※ Stacks with all Combat EXP and Skill EXP buffs except that of a Combat & Skill EXP 530% Scroll.

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