The Heart Rock is situated in the middle of the Sanctaphrax Rock's stonecomb. Inside the Heart Rock, there are three chambers, the treasury chamber, the guard chamber and the ancient laboratory. * The treasury chamber is where the stormphrax is kept to make sure the great floating rock is kept from breaking away and floating off into open sky. In the first age of flight, knights academic were sent out to collect stormphrax from the Twilight woods, to put into the treasury chamber as the rock grew more buoyant. Later, in the third age of flight, stormphrax was collected in the mines of the eastern woods for trade, but of course that was long after the Sanctaphrax rock floated off into open sky, when it's anchor chain was cut by none other than the great captain Twig himself. * The gu