The event lasts for 18 days, unlocked in Chapter 2. You will have 3 plays per day, each lasting for 5 minutes.
This event is for players to collect Halloween items to exchange them for rewards at The Halloween Party. Pumpkins and Candies will randomly drop from mobs in the regular Chapters and the Halloween Challenge event.
Tap on the “Rewards” button to show the list of rewards.
You will exchange the Pumpkins and Candies to give rewards such as Soulstone, Enhancement, Silver Key, Diamond Key... at The Halloween Party.
And don’t forget to check in the event at the “Login Event” tab to receive the rewards.