Hi, we just finished one bat cave dungeon. Sadly part of the last room was outside of world size. We got "Here be dragons" message when we atemted to reach heart. About 10 squers were off.
Will look at it, but perhaps one bugreport thread could be enough.
"The psychological trials of dwellers in the last times will be equal to the physical trials of the martyrs. In order to face these trials we must be living in a different world."