Let's discuss terms:

east - go to the right
west - go to the left
down - take a ladder down
up   - take a ladder up
south - walk downwards
north - walk upwards

Allright, let's get started:

exits -  go there
=================

east
*west - east
up

north
east - north
*west

*south
east - west
west   

It's a dead end but you have to visit it anyway to get
                       ride of the vampires

south
east - east
*west 

east
west - west   
*down

Another dead end

east
*west - down
down 

south
*east - south
west  

west
east - west
*north

up
*east - up
west 

north
*east - north
west 

up
*east - up
west 

south
*west - south
down 

north
*down - north
east

up
*south - up
down

south
*west - south
down 

west
east - west
*north 

north
east - north
*west 

east
west - east
*north     

Yet another dead end

west
*east - west
north 

west
*east - west
north

east
*west - east
north 

south
up - south
*east

west
up - west
*north    

Err.. almost final dead end

north
up - north
*west 

up
east - up
*south 

east
west - east
*down     

The final dead end

west
*east - west
down    

Here it is, the fabled gem. Crack the code
 and grab gem. Take one of the scrolls also.

Now we have to get out of here. BORING !

down
east - down
*west 

east
*up - east
south 

north
*east - north
west

west
down - west
*south 

down
*north - down
east

west
*south - west
down

east
*up - east
west

east
west - east
*north

west
*up - west
east