Question: Does Hades have a loose grip on the Underworld?, Answer:No, Description of Underworld: The mythic Relm of the Dead, located far underground (aka, Hades; Underworld), Fact1: Hades alone can allow passage out of the Underworld., Fact2: Hades created a terribly difficult task for Orpheus to complete to bring Eurydice from the Underworld. , Fact3: The subjects of Hades in the Underworld are under his complete control.
Step1: In whose power is it solely within to allow passage out of the underworld?, Step2: Whose rule are the subjects in the Underworld under?, Step3: Is #1 or #2 not Hades?, Wikipedia page for step 1: Underworld, Wikipedia page for step 2: Underworld, Wikipedia page for step 3: , not_definitive_answer: False, incorrect_answer: False