The giantess Modgud is th
The giantess Modgud is the guardian of a bridge to one of these locations, and that one of these locations is guarded by the watchdog Garmr, who is destined to slay Týr at Ragnorak. Aeacus, a virtuous king of Aegina, shares a job with Rhadamanthus and Minos in one of these. Sinful Egyptian entrants to this location would have their souls eaten by Ammit the Destroyer, and Greeks who were sent here could drink from the river Lethe. For 10 points, name these often subterranean locations where Charon might ferry you across the river Acheron.
The giantess Modgud is the guardian of a bridge to one of these locations, and that one of these locations is guarded by the watchdog Garmr, who is destined to slay Týr at Ragnorak.