"A cautious young black dragon scouting out area and looking for new lair"
Dungeon random encounters using the monster manual
Monster Manual Encounters - City | Dungeon | Wilds
Dungeon Encounters using Monster Manual
Random encounters in the Dungeon with a mix of non-combat, low-level, mid level, vermin and locations. The tables have a sub-theme of a frog monsters
For Dungeons and Dragons 5th Edition using the Monster Manual.
Inspired by my D&D Encounter Generator and available on DM's Guild along with similar tables
Dungeon Encounters Low Level (1-4)
| 1d20 | Dungeon Encounters Low Level (1-4) |
|---|---|
| 1 | Several flumphs who have been attracted by psionic energies nearby |
| 2 | A troll who has taken a oath to only eat dead animals. It is meditating |
| 3 | A wererat scouting as a rat for another faction. Follows the characters |
| 4 | A poor guard who is happy to work as a torchbearer or other hireling |
| 5 | A patrol of 1d4+2 flying swords who take great interest in other swords |
| 6 | 1d2 giant toads with pack harnesses or roll on Dungeon Vermin |
| 7 | 2d4+2 kobolds who are building a half-finished elaborate trap |
| 8 | 1d3 skeletons and 1d3 zombies tidying up and making repairs |
| 9 | 1 ochre jelly recently released from a sealed area by another creature |
| 10 | 1d4+2 goblins mounted on giant wolf spiders playing a game with sticks |
| 11 | 1 intelligent mimic which is talkative or roll on Dungeon Vermin |
| 12 | 1 nothic who prefers to spy on intruders and is curious about any magic |
| 13 | 1d2 hungry carrion crawlers with saddles attached but no visible riders |
| 14 | 1 grell who got lost and is carefully searching for secret doors |
| 15 | 1 cult fantatic and 1d4+1 thugs leading giant frogs into the dungeon |
| 16 | 1d3+1 duergar mercenaries recently arrived from the Underdark |
| 17 | 1 ogre with a pet displacer beast carrying a sack of giant frog corpses |
| 18 | 1 flameskull singing songs to itself as it tries to compose new ones |
| 19 | 2d4 bullywugs with 1d6 giant frogs attracted here by dreams or magic |
| 20 | 2d4 gnolls led by 1 gnoll pack leader scouting for a larger warband |
Dungeon Encounters Mid Level (5-10)
| 1d20 | Dungeon Encounters Mid Level |
|---|---|
| 1 | A friendly galeb duhr who tries to give advice about the dungeon |
| 2 | A few doppelgangers are looking for somewhere secluded to call home |
| 3 | A cambion who surveys ruins is taking measurements for a map |
| 4 | A githzerai zerth is interested in the history of the area |
| 5 | 1d4+2 kuo-toa led by 1 kuo-toa monitor all mounted on giant toads. They are looking for allies to help take over the area |
| 6 | 1 mezzoloth very curious about what is beyond the area it is guarding |
| 7 | 1d3+1 hell hounds led by 1 azer in a patrol of the area |
| 8 | 1 night hag and a pet grick. Stays here betweem haunting nearby villages |
| 9 | 1 cautious young black dragon scouting out area and looking for new lair |
| 10 | 2d6+2 hobgoblins and 1 hobgoblin captain looking for paid work here |
| 11 | 1 blue slaad is feeding a slaad tadpole on fresh corpses |
| 12 | 2 shadow demons with 2d4 shadows serve a greater power nearby |
| 13 | 1 spirit naga who is looking for new minions after losing many recently |
| 14 | 1 salamander and 1 invisible stalker are reluctant guardians here |
| 15 | 1 wight mounted on a beholder zombie leading 2d4 ogre zombies looking to deal with intruders |
| 16 | 1 chain devil is trying to outfit a torture chamber for their summoner |
| 17 | 1 drow mage and 1 mind flayer together are studying rare magic here |
| 18 | 2 red slaads and 1 green slaad in kuo-toa form, seeking victims to infect |
| 19 | 1 miserable gynosphinx has run out of good puzzles or riddles |
| 20 | 1 beholder is looking for whoever claims area (higher level encounter) |
Dungeon Vermin Encounters
| 1d20 | Dungeon Vermin Encounters |
|---|---|
| 1-2 | 1d4+1 giant lizards which are lazy and well fed. Try to ignore others |
| 3-4 | 1d2 giant toads or 1 ochre jelly |
| 5-6 | 2d4 giant fire beetles which are part of a much larger colony |
| 7-8 | 2d6 giant centipedes or 1d3+1 mephits of different types |
| 9-10 | 1d2 rust monsters with leather collars and ropes attached |
| 11-12 | 1 giant spider or 1d4 shriekers and 1d4 violet fungi |
| 13-14 | 1d3 giant weasels who will try to steal anything shiny |
| 15-16 | 1d3 swarms of bats or 1 mimic |
| 17-18 | 2d4 giant frogs of which one is awakened but tries badly to hide it |
| 19-20 | 1 swarm of snakes or 1 gelatinous cube |
Dungeon Locations
| 1d20 | Dungeon Locations |
|---|---|
| 1-2 | Frog Statue Bones are littered around the statue of a frog. A teleportation circle is located in one corner under dirt and bones |
| 3-4 | Levers Room with a pit-trap and three levers. One lever disables the pit trap. One opens and closes it and one triggers an alarm for 1 minute |
| 5-6 | Hidden Refuge A secret door leads to a chamber with a pool of water. |
| 7-8 | Cavern has a small ecosystem of insects, bright fungi and luminous moss. A few fire beetles make use of a network of nearby smaller caves |
| 9-10 | Shrine. A bull-headed statue holds a sun in two hands. It has a hidden compartment. The area is covered in candles and one of them is lit |
| 11-12 | Forge An anvil and smithing tools are in one corner. Recent repairs have been made and there is a good supply of fuel |
| 13-14 | Underdark Entrance. An unlocked trapdoor triggers a daylight spell when opened. Beyond are carved steps leading down to the Underdark |
| 15-16 | Cairn. A pile of broken rocks and debris barely cover humanoid bones |
| 17-18 | Dining Hall with wooden chairs & tables. An unseen servant cleans up. |
| 19-20 | Freshwater Pool Fed by an underground stream that leads to a waterfall |
More Encounters
These tables and more like it are available on DM's Guild in Monster Manual Encounters - City, Dungeon and Wilderness.
If you liked these there are D&D Generators at Chaos Gen, a monthly random tools Newsletter and an instagram of Random Tables.
