The Krok slayer is earned by killing 500 Kroks I think,and that's the grandfather tree...
The 8 worlds are as following:Wizard City,Krokotopia,Marleybone,MooShu,Dragonsypre,Celsia,unknown former Gobbler world,and unknown former Krok world,only 4 are accessible,a 5th coming after official launch!
Question:Who's the most powerfulest boss in the 1st world?
A: Sylster Glowstorm.
Q: How many types of magic are currently in the Spiral (there's an easy mistake to be made).