no longer the fiendfarms , the citadel had taken on a life of its own , as was evidenced by the sentient tissue of the artificial lake upon its rooftops , which continued to expand and grow upwards to accommodate the ever-enlarging janus kraken , as well as the system of nerves and ganglia now running through the fortress and into the shackles of the geryon baal'striga , enabling drelrei and junisia to control the flight of the avian fertility demoness with electrical impulses and shocks as it dragged the castle through the skies like a soaring juggernaut .