"When evil Puppeteer kidnaps souls of innocent children, you're assigned your first mission as Brothers Grimm's investigator - find a way to defeat the malefactor and bring rescue to all in need. Follow the trace of magical events to discover sorcerer's blind spot. Use it to defeat him and bring home all who have been lost!"

Key from the IndieGala Artifex Mundi #8 bundle. No thanks necessary. Good luck