Answer:

erebus

Answer	Crossword Clue
EREBUS	Darkness personified
EREBUS	Hades entryway
EREBUS	Underworld region

EREBUS	Son of Chaos
EREBUS	Mythical place of the dead
EREBUS	Realm of the dead
EREBUS	Passage to Hades
EREBUS	Mount ... (active Antarctic volcano)
EREBUS	Greek personification of darkness
EREBUS	Volcanic mountain of Antarctica
EREBUS	Volcano on Antarctica

EREBUS	Mount .. (Antarctic volcano)
EREBUS	Realm of utter darkness.
EREBUS	Dark place on the way to Hades.
EREBUS	Son of Chaos.
EREBUS	Cavern en route to Hades.
EREBUS	Place on way to Hades.
EREBUS	Dark place outside Hades.
EREBUS	Volcano in Antarctica.

EREBUS	Volcanic mount of Antarctica.
EREBUS	Ross Island volcano.
EREBUS	Volcanic peak in Antarctica.
EREBUS	Mythological lower region.
EREBUS	Volcano in Victoria Land.
EREBUS	Dweller in Hades.
EREBUS	Place on the way to Hades.
EREBUS	Antarctic volcano.

EREBUS	Volcano on Ross Island, Antarctica.
EREBUS	Mythical darkness
EREBUS	Mythical place of darkness
EREBUS	Nether region
EREBUS	Dark place in myths
EREBUS	Region en route to Hades
EREBUS	Dark place en route to Hades
EREBUS	Part of the underworld

EREBUS	Approach to Hades
EREBUS	Entrance to Hades
EREBUS	Place of darkness
EREBUS	Place of nether darkness
EREBUS	Neighbor of Hades