first step
Second floor, Moore Treasure Store, opposite Dalaran Alliance Hotel:
The puzzle is a series of numbers: 2 104059.
Second step
There is a rusty lever switch on the head of an abandoned robot in the northwest of XT002 robot room in Audoul. Pull the switch, a 20*20 light array will appear immediately, and then the light array will step into a gear shape, and click Scroll.
Because the gear is the symbol of Mimiron.
Puzzle:
1000 imprisonment.
There is no doubt that it will be remembered.
Third step
Kill C 'Thun, go to the room behind the bronze dragon npc next to C 'Thun in the Ancilla Temple, click on the soul larva on the box, and start playing the ancient version of jewelry hegemony.
You can't order books until you win (but at present, winning seems to be random).
Puzzle:
Deeper than the depth.
Waiting for your seat.
Fourth step
Deep rock continent, coordinate 58, 25, the cave next to Serazan's throne. Pepo's daily task is to get the insects around the circle to the inside of the cave, and there is a cracked stone to click on at coordinate 63.82, 22.35.
Click and jump into the hole, and a new problem appears.