After the next brawl, this transforms into a random level 7 treasure.
Pandora’s Box is a Level 6 treasure in Storybook Brawl.
This page is a stub, it will be expanded at some point. Probably.
Game Update History
Version 0.64.2, November 2021: Changed from “After 2 brawls, this transforms into a random level 7 treasure.”
0.63.4, October 2021: First introduced