A dozen times, those assigned to guard or study the creature have sought the key to free him. When they are removed to a safe distance, they remember little. They speak of a voice in their minds, a calling like that of the Old Gods, but it wanes outside Corypheus's presence.
This same power stays the hand of any Warden who approaches to kill him. I must recommend that we seal this prison over and conceal its very existence. Corypheus must not be allowed to go free.