Volcanic Wilderland Dungeon of Shadows:

Roll 1-D20 for every chamber entered into.
Needed roll for an encounter per chamber: 3+

D20
Roll:   Encounter:
  1:       Assassin, Shadow
  2:       Blight (Boss)
3-4:      Gargoyle, Void
5-7:      Knight, Shadow
8-9:      Secret Stash!
10-13:  Shaed
14-16:  Sorcerer, ShadowFlame
  17:     Thief, Shadow
18-19:  WidowMaker (Boss)
  20:     Wisp, Shadow

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