7th Interportal Tournament of HMM3-OFF: "Earth Magic"

iceTiTaN, could you provide more details?:)
The main question is: is there some secret that allows you to complete it so quickly (and that I didn't notice)? How can you achieve Flight, Titan's Roar, and kill 3 dragons in 3 (or even 2!) days?:eek: :confused:
Isn't this information from PhysMiG incorrect:

to learn a 5th-level spell, a hero must have Expert Wisdom... and also have a Spellbook.

:confused:
I stopped at trying the last version I saw: it's not possible to do it quickly, I don't have enough strength... Besides, it still takes longer than 3 days.:(