Cave

d20	Cave
1	Cave mouth, daylight still reaching in
2	Scree slope under a low roof
3	Dry gallery with old campfire rings
4	Bat roost, floor thick with guano
5	Narrow rift, walls a shoulder apart
6	Chamber of dripstone curtains
7	Shelf above a cold draught
8	Crawlway opening into a round cell
9	Flowstone terraces, slick underfoot
10	Chamber of broken stalagmites
11	Gallery with scratches along one wall
12	Forked junction with a dead side-pocket
13	Pool chamber, water black and still
14	Boulder choke with gaps between the blocks
15	Chimney going up into the dark
16	Bone-littered den
17	Echoing hall where sound carries wrong
18	Sump: the passage dips under water
19	Crystal-lined pocket that catches the light
20	The deep chamber, where the air does not move

d12	Contents
1	Nothing but stone and silence
2	An old bedroll and a cold firepit
3	Claw marks at head height
4	A cache of dried meat hung out of reach
5	Spent brass and a broken lantern
6	A nest of rags and fur
7	Painted handprints on the wall
8	A dead prospector with a full pack
9	Fresh tracks in the mud
10	A rope left hanging from above
11	Bones cracked for marrow
12	A carved marker pointing deeper

d8	Occupant	Build the encounter from
1	Empty: nothing lives here	—
2	Empty, but something passes through	—
3	A predator's den	Animal
4	A pack that hunts from here	Animal, Magical Beast
5	Swarming vermin	Vermin
6	Outlaws lying low	Humanoid
7	Something that oozed up from below	Ooze
8	A beast that should not exist	Magical Beast, Aberration

d6	What is there
1	The lair of what rules this cave
2	A hidden cache someone meant to come back for
3	A way through to somewhere else
4	The remains of the one people came looking for
5	A spring, a vein or a seam worth claiming
6	Something old, sealed in before the cave had a name