Enter to free Zandalor? Go to the south sewer part - and ask Rob/Ducal Inn/Verdistis first, he'll flag the map.

http://kiya1.via.t-online.de/images/Div_Arssew.jpg

Enter for the shield? Throw your Teleport pyramid with Shift (scroll) past the guards into the courtyard.
Kiya

The executioner is a dead-end alley, no further procedure possible.

And welcome to the forum <img src="/ubbthreads/images/graemlins/wave.gif" alt="" />