5e D&D Combat Encounters - Underdark

Combat Encounters include creature groups, hazards and lone npcs. Maybe a lost lizardfolk, a forest fire or a talkative druid
The Underdark is a place of twisting tunnels, constant darkness and strange magic. Encounters might occur in a forest of fungi, amid giant stalactites or by the side of a gaping chasm. It is a place of elemental earth and gates to far realms. Home to fungi creatures, the dark elves and aberrations from the Far Realms.

tools for - dnd5e encounters underdark

level: terrain: sources: type:

combatdemon

A group of demons

2 Dretches
1 Quasit
3 Manes (Monster Manual p.60)

At a pale gnarled tree near a stalactite ready to fall (there is a tentacled statue)
They are consuming an unusual type of fungi
In a fight they fight to the bitter end
Possibly... during the fight enemy reinforcements arrive
Difficulty... 660 Deadly

combatduergar

2 Duergar

At an electrified metal door (close by is a reed-filled stream)
They are marked by a deity of darkness
In a fight they keep away from foes with ranged weapons
Possibly... they have a Broom of Flying
Difficulty... 600.0 Deadly

combat

1 Water Weird (Monster Manual p.299)

At an area of vegetation (there is a damaged minecart)
They are telepathic
In a fight they focus on any obvious spellcaster
Possibly... they have
Difficulty... 700 Deadly

combat

1 Grell (Monster Manual p.172)

At a patch of explosive gourd-like fungal fruit by a fungi-filled pool with many frogs with many lizards (a collapse could easily happen)
They are exploring a secret entrance
In a fight they single out the foe that stands out most
Possibly... they have a Weapon +1 - spear
Difficulty... 700 Deadly

combat

1 Hook Horror (Monster Manual p.189)

At a vine-covered shrine to a power of fortitude and a rune-covered limestone slab (by a clear river with a verdant island)
They are trapped by something
In a fight they attack whoever is largest
Possibly... they have a Potion of Diminution
Difficulty... 700 Deadly

combatduergar

2 Duergar

At a pillar of glittering volcanic glass (there are a few edible phosophorescent fungi)
They are intoxicated on a mushroom brew
In a fight they attempt to attack from hiding
Possibly... they have a Horn of Blasting
Difficulty... 600.0 Deadly

combat

3 Grimlocks led by one named Aplaril

At a crystal rock (there is angry graffiti in Auran)
They are carving on tunnels
In a fight they avoid the foe that stands out most
Possibly... they have a pair of Boots of Springing and Striding
Difficulty... 300 Hard

combat

1 Carrion Crawler (Monster Manual p.37)

At an enchanted temple to a power of loss (near an area of stiff reed-like fungi ending in a bulbous fruit)
They are a shapechanger
In a fight they attack whoever is causing them the most pain
Possibly... during the fight the weather changes for the better
Difficulty... 450 Deadly

combatduergar

2 Duergar

At a narrow ravine and a pile of rocks (there is a strong smell in the air)
They are cursed
In a fight they prefer to capture their foes
Possibly... they have mason's tools
Difficulty... 600.0 Deadly

combatdemon

4 Dretches

At a sparkling bridge across a stream (which is associated with a magical beholder)
They are consuming an unusual type of fungi
In a fight they fight to the bitter end
Difficulty... 400 Deadly