Underdark Encounters
Encounter Name: Drow Ambush
Description: The party is ambushed by a group of drow, skilled in the art of stealth and subterfuge. The drow may be seeking to capture slaves, eliminate threats, or protect their territory.
Enemies
Drow Ambushers
- Medium Humanoid, neutral evil
- Armor Class 15 (studded leather)
- Hit Points 27 (5d8 + 5)
- Speed 30 ft.
Shortsword Strike: +5 to hit, 1d6 + 3 piercing damage.
Terrain
This encounter takes place in the dark tunnels of the Underdark, with limited visibility.
Tactics
- The drow use their stealth and cunning to ambush the party.
Encounter Name: Umber Hulk Tunnel
Description: The party stumbles upon a tunnel infested with umber hulks. The creatures may be nesting, guarding a valuable resource, or be drawn to the party’s presence.
Enemies
Umber Hulks
- Large Monstrosity, unaligned
- Armor Class 18 (natural armor)
- Hit Points 93 (11d10 + 33)
- Speed 30 ft., burrow 20 ft.
Multiattack: +7 to hit, 3d8 + 4 slashing damage.
Terrain
This encounter takes place in a tunnel within the Underdark, with the threat of umber hulks.
Tactics
- The umber hulks may be nesting, guarding a resource, or drawn to the party’s presence.
Encounter Name: Duergar Slave Patrol
Description: The party encounters a patrol of duergar, searching for escaped slaves or intruders. The duergar may be hostile or open to negotiation, depending on the party’s actions.
Enemies
Duergar Patrol
- Medium Humanoid, lawful evil
- Armor Class 16 (chain mail)
- Hit Points 26 (4d8 + 8)
- Speed 25 ft.
War Pick: +4 to hit, 1d8 + 2 piercing damage.
Terrain
This encounter takes place in the dark tunnels of the Underdark, with the duergar patrol searching for intruders.
Tactics
- The duergar may be searching for escaped slaves or intruders, and the party can choose to negotiate or fight.
Encounter Name: Mind Flayer Ambush
Description: The party is ambushed by a group of mind flayers, using their psionic abilities to incapacitate and capture victims. The mind flayers may have a specific goal in mind for the captured party members.
Enemies
Mind Flayer Ambushers
- Medium Aberration, lawful evil
- Armor Class 15 (mage armor)
- Hit Points 71 (11d8 + 22)
- Speed 30 ft.
Tentacle Slam: +5 to hit, 2d10 + 2 psychic damage.
Terrain
This encounter takes place in the dark tunnels of the Underdark, with the mind flayers using their psionic abilities.
Tactics
- The mind flayers use their psionic abilities to incapacitate and capture victims.
Encounter Name: Giant Spider Nest
Description: The party discovers a nest of giant spiders, with webs stretching across the tunnels. The spiders may be guarding eggs, hunting, or be drawn to the party’s presence.
Enemies
Giant Spiders
- Large Beast, unaligned
- Armor Class 14
- Hit Points 26 (4d10 + 4)
- Speed 30 ft., climb 30 ft.
Bite: +5 to hit, 1d8 + 3 piercing damage.
Terrain
This encounter takes place in a tunnel within the Underdark, with webs stretching across the area.
Tactics
- The giant spiders may be guarding eggs, hunting, or drawn to the party’s presence.
Encounter Name: Fungal Spore Outbreak
Description: The party encounters an area of the Underdark infested with fungal spores. The spores may have various effects, such as causing hallucinations, paralysis, or attracting fungal creatures.
Enemies
Fungal Spore Hazards
- Various environmental hazards
- Armor Class N/A
- Hit Points Varies
- Speed N/A
Spore Burst: Varies effects
Terrain
This encounter takes place in an area of the Underdark infested with fungal spores.
Tactics
- The party must navigate through the area, dealing with the effects of fungal spores.
Encounter Name: Aberrant Crystal Anomaly
Description: The party encounters a strange crystalline anomaly in the Underdark, emitting bizarre energies. The anomaly may attract aberrant creatures or cause unpredictable magical effects.
Enemies
Aberrant Creatures
- Various aberrations, various alignments
- Armor Class Varies
- Hit Points Varies
- Speed Varies
Anomalous Ability: Varies effects
Terrain
This encounter takes place near a strange crystalline anomaly in the Underdark.
Tactics
- The anomaly may attract aberrant creatures or cause unpredictable magical effects.
Encounter Name: Underground River Crossing
Description: The party comes across an underground river blocking their path. They may need to find a way to navigate the river, whether it’s by building a makeshift bridge or seeking assistance from creatures native to the Underdark.
Enemies
Subterranean River Creatures
- Various aquatic creatures, various alignments
- Armor Class Varies
- Hit Points Varies
- Speed Varies
Bite/Tentacle Attack: Varies to hit, Varies damage (various abilities)
Terrain
This encounter takes place at the edge of an underground river within the Underdark.
Tactics
- The party must navigate the underground river, potentially encountering native aquatic creatures.
Encounter Name: Deep Gnome Expedition
Description: The party encounters a deep gnome expedition in the Underdark, exploring tunnels or searching for valuable resources. The deep gnomes may be friendly, seeking assistance, or cautious of outsiders.
Enemies
Deep Gnome Explorers
- Small Humanoid, neutral good
- Armor Class 15 (leather armor)
- Hit Points 27 (6d6 + 6)
- Speed 20 ft.
Crossbow Shot/Shortsword Strike: +4 to hit, Varies damage (various abilities)
Terrain
This encounter takes place in the tunnels of the Underdark, with the deep gnome expedition exploring.
Tactics
- The deep gnomes may be friendly, seeking assistance, or cautious of outsiders.