Volcanic Wilderland Dungeon:

Roll 1-D20 for every chamber entered into.
Needed roll for an encounter per chamber: 10+

D20
Roll:    Encounter:
1-2:      Abomination
3-4:      Dragon, Fire-Breathing, Young
5-6:      Dragonman, Fire
7-8:      Dungeon of Shadows entrance found.
9-10:    Horse, Nightmare
11-12:  Hydra, Young
13-14:  Knight, Dark
15-16:  Landslide (Boss)
17-18:  Magician, Shadow
19-20:  Tendrils, Creeping

Once the encounter has been determined, click on that encounter to go to it.