OotA: Random Encounters in the Underdark (d20)

Roll on this table for each day of travel through the Underdark to determine if there is an encounter. Each roll delivers two results, one for while adventurers are travelling and one for while they are resting.

Citation

Out of the Abyss Chapter 2: Into Darkness

d20 Travelling Resting

1-13

Travelling: No encounter

Resting: No encounter

14-15

Travelling Terrain Encounter: Roll on "Terrain Encounters (OotA Subtable)"
Area: Roll d3 on [1-2:Single-file room only;3-4:Standard passageway--two-abreast marching order is possible;5-6:Large open area.]
Light Levels: Roll d2 on [1-3:Dimly lit by phosphorescent moss, lichen, or faezress;4-6:Dark except for whatever light sources the characters might have]

Resting Creature Encounter: Roll on "Creature Encounters - Resting (OotA Subtable)". Light Levels: Roll d2 on [1-3:Dimly lit by phosphorescent moss, lichen, or faezress;4-6:Dark except for whatever light sources the characters might have]

16-17

Travelling Creature Encounter: Roll on "Creature Encounters (OotA Subtable)"
Area: Roll d3 on [1-2:Single-file room only;3-4:Standard passageway--two-abreast marching order is possible;5-6:Large open area.]
Light Levels: Roll d2 on [1-3:Dimly lit by phosphorescent moss, lichen, or faezress;4-6:Dark except for whatever light sources the characters might have]

Resting Creature Encounter: Roll on "Creature Encounters - Resting (OotA Subtable)". Light Levels: Roll d2 on [1-3:Dimly lit by phosphorescent moss, lichen, or faezress;4-6:Dark except for whatever light sources the characters might have]

18-20

Travelling Creature Encounter: Roll on "Creature Encounters (OotA Subtable)"
Terrain Setting: Roll on "Terrain Encounters (OotA Subtable)"
Area: Roll d3 on [1-2:Single-file room only;3-4:Standard passageway--two-abreast marching order is possible;5-6:Large open area.]
Light Levels: Roll d2 on [1-3:Dimly lit by phosphorescent moss, lichen, or faezress;4-6:Dark except for whatever light sources the characters might have]

Resting Creature Encounter: Roll on "Creature Encounters - Resting (OotA Subtable)". Light Levels: Roll d2 on [1-3:Dimly lit by phosphorescent moss, lichen, or faezress;4-6:Dark except for whatever light sources the characters might have]