Under rating threshold (hideshow)
phew... finally got the hard badge! Really grindy game. Basically, just go for valkyries as soon as you can and just dominate the first 3 missions until you get enough $ from accomplishments to buy the "staff of holy empire" and keep buying more until you fill all your equip slots. Then get witches and totems and beat everything to level 3 using POPO the epic dwarf. Also... only put your upgrade points into energy and attack... That should pretty much sum it up.