After Alma had whispered a few words to send the soul off to the cycle of the world, Walker and Su were ready to head upwards. They did not feel comfortable being in this place. "We know that he was taken by someone who defeated the guardians that sacrifice themselves to guard this forever. That person also managed to break whatever seal had meted the sand in to glass." This was just stating the facts, but Su wanted to make sure they were all on the same page.
"I have a feeling that whatever the seal was, it was not strong enough after many years. Look at the way the runes are decayed. Greed must have somehow been feeding on the energy of the seal too. I have to bet that they would have escaped at some point but most likely would have to fight the guardians and possibly get sealed again. I just don't know if whoever freed them is damaged from breaking the seal. It might have done damage. I just need to research the metal tablet"