It is in Minocity, about 47 steps west of the spot the map marks with that name.

And 2 down from the surface once you are there.

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

• A rope. You drop in through a trapdoor, and a rope is how you climb back out.
• Something for dragon lord, dragon and beholder — they live down there.

The chest is 2 floors under the surface. Going down over it, this is what each floor uses:

1. Ground: down through a trapdoor.
2. 1 down: down through a trapdoor.

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

• 2 — a trapdoor, 1 down
• → — the treasure lies this way

• 1 — the chest

The strongest 14 of 25 kinds whose nests reach this place.

One chest, one reward.