1 - Tables!
Just hack your way through.

2 - Battering rams
It's a matter of timing. Not alot of advice to give, exept make sure you are not overburdened, you need full walking speed for this. And use Aura of Speed if needed. (Oh Ir Ros)

3 - Attack Minion

4 - Guard Minion x2

5 - Guard Minion

6 - Burner room
Turn on all the valves in this room.

7 - Remove the cover plate and press the button.

8 - Techmace, appears after pressing the button at 7.

9 - Mirror Puzzle
The objective is to send the fireball thats fired from standing on the pressure plate returns to where it came from. With the levers you can move the mirrors back and forth, and going back and forth again changes the angle of the mirror.

Look at the image for how the mirrors should stand.
When you stand on the pressure plate, you need to click the lever in front of you twice to change its direction. And it should hit its origin.

10 - Shield of Fire, Fire Greaves

11 - Fire Helm

12 - Secret button
Places a Fury and a Strength Potion at mark 11.

13 - Pressure plate puzzle
Either use your magic map to let a minion drop an item on the pressure plate or throw something heavy (techplate) with someone that has a low ninja level. So it lands on the pressure plate. It opens the door to the west.

14 - Firebomb

15 - Poisonbomb

16 - Empty Flask

17 - Fury

18 - Fire Poleyn, Fire Plate