Hey i just cant find the third part for the symbol of the sun ...
i have the top and right part of it.. which i got from answering the question at the statue ..and the other in the cell behind the shadow.... where is the third one please ?

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I got a little stuck on this one too, but I will try and explain where the third piece is...
You know the area where you have to walk across the room, stepping only on the letters which spell "Auraa..."(whatever), well, after you have got there, you should find a zombie, who wants to be escorted across the room... if you saw this guy, you are in the correct place...
in one of the rooms there (I think there are 2), you should find - on the ground I think - a little secret area, containing the third peice...
just pop the finished product in the door, and... Wa-lah

thats what i meant by behind the shadow.. thats the area just before the letters , i didnt find 2 there

Try the lich in the room just beyond the boiling pool.

I'm just guessing though.

I thought you got the third piece either in the container by the two ghosts (next to the lava floor or whatever it is) or when you did the quest they gave you (retrieving the bones of Amuanator). But then again...... I'm not completely sure either.

I think(but I`m not sure)that its hidden in a pillar near the start of the level.
Just after you open the cell door for the chick with red hair if you go anti clockwise around the map theres a room just below the prison with one pillar holding the roof up.
I know that it has something in/on it but I cant`t remember what.

Is it not like this?

1. The statues questions in the room up to the left.
2. Retrive the bones to the 2 spirits.
3. Pass the room with the letters, enter the right smal
chamber, and in there the last pice is hidden. (Took me
some time to find it, i was sure i checked it thrue good
and had to search like hell before i got it)

Zerter is right, vision was looking for the one you get from giving the priestess's gnawed-on bones to the 2 spirits.