Before you can free
the trapped Doctor you must enter The Tomb of Rassilon by clicking on the door
below. You will then be presented with a coloured grid. Using the code letters
obtained in The Dark Tower levels (Level 9) click on the image for that
coloured grid reference (i.e. if the green code letter was A1 then on the green
grid click on the image at grid reference A1. You will need to select all 4
grids correctly to enter Rassilon's Tomb. On entering the tomb you will be
given the opportunity to deactivate the forcefield |