Stairs

Source: Dungeon Master’s Guide p. 291

Stairs

dice: d20	Stairs
1-4	Down one level to a chamber
5-8	Down one level to a passage 20 ft. long
9	Down two levels to a chamber
10	Down two levels to a passage 20 ft. long
11	Down three levels to a chamber
12	Down three levels to a passage 20 ft. long
13	Up one level to a chamber
14	Up one level to a passage 20 ft. long
15	Up to a dead end
16	Down to a dead end
17	Chimney up one level to a passage 20 ft. long
18	Chimney up two levels to a passage 20 ft. long
19	Shaft (with or without elevator) down one level to a chamber
20	Shaft (with or without elevator) up one level to a chamber and down one level to a chamber
^stairs