Your Mages have “Last Breath: Cast a random spell.”
The 9th Book of Merlin is a Level 6 treasure in Storybook Brawl. If you take this treasure then all of your Mage characters gain the same ability as a basic Monster Book character, which can be chaotic fun!
In game version 0.67.4, The 9th Book of Merlin was changed from level 5 to 6 in order to reduce wild spell storms resulting from interaction with Mimic.
Game Update History
0.67.4, January 2022: Level changed from 5 to 6
0.65.10, December 2021: New artwork
0.64.2, November 2021: First introduced