How do you go through the Prefects' Bathroom. I know you use the cauldrons..

Prefect�s Bathroom
*****VANISHING CARD****** You have to be fast to get these cards. You get this card after you initially after you get the egg. You will start on the crest, you need to go to your left- kill the salamanders fast and pull down the bridge, you will see the card between the 2 fish statues.
The good news is that you can do it several times until you get the card.
After you drop the egg- Across the tub next to the fountain is a Gargoyle statue, Jinx it*
Destroy the wall between the cauldrons and go through it. You�ll end up in a room with water pipes. Go straight and pull the bridge down and go across it and destroy the large cylinders and you�ll get a *Small Shield*
Go back and with the cauldron destroy the 3 pipes in the walkway. Continue until the end and make a left and climb the wall and go left. You�ll climb 2 walls and when you get to the platform use the cauldrons and destroy the large cylinders; break the cylinder on the next platform. Pull down bridge and climb wall, go left and you�ll get *Small Shield*
Go right and pull water tap- kill erklings- Jump down onto the bridge and platform, go slightly left and go across. Pull down bridge and Climb the wall. Pull all of the water taps and destroy all of the cylinders, you�ll get a *Small Shield*
Kill erklings and use cauldron-drop it off plate form, to destroy 3 pipes below. Jump down and go left continue down the walkway, at the dead end make a left and then a right. Jump up the platform and to your left break the cylinder to get a *Small Shield*
Pull down bridge and cross it, climb up the wall and you�ll end up on a platform with 2 water taps and a cauldron. Use the cauldron to break 2 cylinders that are down below, they can be a little challenging. Jump down on the bridge and on the other side of the platform go slightly left and jump down. Go left and follow the walkway and the go left and go right down the stairs. At the bottom is *2 Small Shields*
Go forward and continue down the walkway and at the courtyard are fire salamanders-kill them- by the cauldron is a *Gargoyle Statue, Jinx it*
Your standing on a crest, turn to your left and there is another *Gargoyle Statue, Jinx it*
Pull down bridge and break the cylinders to get a*Small Shield* Continue on and pull down the bridge and cross it, climb up the wall and on your left jump off, go forward and slightly left. Kill fire salamanders To get the egg you need all 3 characters to pull on it, it will shoot up the drain back to the tub. You have to go back, kill the fire salamanders and put out the fires. (If you put out the fires quickly, only a few salamanders come out) on your left there are a series of bridges pull them down. Go back and go across the bridges and up the wall. On your right jump down and go to your right, go forward and climb up another wall and turn to your left. Climb another wall and turn left-there are 3 fishes on the walkway- go straight and climb wall. On the platform go forward and you will see the hole in the wall you made that leads to the bathroom, go through and claim the egg and a *Large Shield*

The amount of large shields depends on how many shields you get from the Tournament task- Dragons.
At this point you should have:
Large Shield- 15 or 16- Total from all levels
Small Shield- 5
Gargoyle Statues- 3
Taps- 0

And pull down bridge. Cross the bridge and up the stairs- put out the fires and kill the salamanders. Make sure to destroy all of the large cylinders you will find *2Small Shields*
Move the large water tap and go down the stairs and at the bottom is a *Small Shield*
Pull down bridge and charm the wall on the right this statue is hard to see to get a *Small Shield*
Pull down another bridge and follow the path and get a *Large Shield*
From the crest go straight and get a *Large Shield*

From the crest go straight until you get to the cauldron, kill erklings and use cauldron-drop it off platform, to destroy 3 pipes below. Jump down and turn back go down the stairs to your left, jump down. There are wooded platforms on your right, jump down both platforms. You�ll find a large block, move it up the platforms and to your right there is a walkway with a wall and large shield move block to the wall and climb up to get the *Large Shield*
From the crest go right and continue forward go up the stairs and then turn left, pull down stairs and go up the stairs. Put out fires and kill fire salamanders, pull the large water taps. Right before you reach the stairs on your right is a *Tap, Jinx it*

The amount of large shields depends on how many shields you get from the Tournament task- Dragons.
At this point you should have-
Large Shields 18 or 19 Total from all levels
Small shields- 10
Taps- 2
Gargoyle statues- 5
You can continue only with the Herbivicus charm
Hint- Use Herbivicus charm to open all flower buds to increase your skill.

Exit level- you can only continue if you have the Herbivicus charm which you get from the Herbology level