It is in Home, about 118 steps east of the spot the map marks with that name.

And 1 down from the surface once you are there.

• 1 — Home, as the map itself names it
• 2 — the ground above the treasure

• Key 3802: a locked door bars the way, and that is the number of the key that opens it.
• Something for dwarf guard, minotaur guard and hunter — they live down there.

The chest is 1 floor under the surface. Going down over it, this is what each floor uses:

1. Ground: down through a ladder.

• 1 — the way in: a ladder, ground
• → — the treasure lies this way

• 1 — the chest

The strongest 14 of 21 kinds whose nests reach this place.

One chest, one reward.