Have you explored the Wizard City Underground yet? Take a look at the detailed quest line you will need to go through so you'll know what to expect including all the main line cheating bosses leading to the Devourer!
One of the Empyrea Part 2 side quests is very fairlytale-ish in its nature! You get to see KI's take on Little Red Riding hood! Find out more about the battles against the Big Bad Wolf and Grandmother here!