From the PDF introduction: Long ago, the illusionist Hilduin constructed an underground vault wherein he practiced and honed his magics. Later, he announced that he'd concealed a potent magical device in the vault — the “Cube of Power” — to be claimed by anyone clever enough to retrieve it. Many adventurers entered the vault, but none emerged with the Cube. Will you be the first to bypass the vault's traps and claim the Cube of Power?