How do I get out of here?

Hint 1 of 8:

There is a teleporter that will take you out of the ruins, to several
different destinations.

Hint 2 of 8:

It's even labelled on your automap as the "Teleport Room" if you haven't
found it.

Hint 3 of 8:

First, you have to find the room.  It's hidden near the Dracoid Mage Tower.

Hint 4 of 8:

Look for a secret entrance on your map.

Hint 5 of 8:

The controls to open the door are nearby.