Answer: tartarus

AnswerCrossword Clue
TARTARUS

Regions below Hades

TARTARUS

Underworld

TARTARUS

The infernal regions.

TARTARUS
Hades of Greek myth.
TARTARUS
Place of punishment.
TARTARUSAbyss below Hades
TARTARUSHades
TARTARUSLow ground
TARTARUSRegion below Hades, in Greek myth
TARTARUSNether world