count while releasing

10. Troll Tunnels

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

open, releasing a swarm of insects (wasps) that fills a random space within 5 feet of the troll. The swarm acts on its own initiative count and attacks the nearest creature that isn’t a troll. If the troll is killed, it no longer releases any swarms.

House of Inspired Hands

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dragon Heist

humanoid shape perching on the rooftop. It extends an arm, releasing a tiny metal sparrow into the sky. The bird does a few loops in the air, then veers right toward you. The creature atop the temple

initiative. Nim’s mechanical bird acts on initiative count 10, has a flying speed of 60 feet, and starts 60 feet away from the characters. It has AC 15, 1 hit point, and immunity to poison and psychic damage

Surface of the Sun

Compendium - Sources->Dungeons & Dragons->The Book of Many Things

trap room deals damage to every creature in the area. On initiative count 20 (losing ties), each creature in the area takes 5 (1d10) radiant damage. Talons Pedestal The silver orb, which is 1 foot in

damage and has the grappled condition (escape DC 15) as the talons grab hold of it, releasing the orb. The talons have an AC of 19, 10 hit points, and immunity to poison and psychic damage. With a

7. Gray Ghost Garden

Compendium - Sources->Dungeons & Dragons->Out of the Abyss

use their Enlarge action while the third opens the valve on the copper tank and aims its nozzle at the characters. During the second round of combat on the same initiative count as the duergar, the

action to open or close a valve on the tank, releasing a cloud of pungent fertilizer that fills a 30-foot cube. The cloud grows 10 feet per side each round the valve remains open. The cloud has the same

Curst

Compendium - Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Sigil and the Outlands

“Mistakes are ghosts. I lost count of the days I’ve spent in this awful prison, but I’ve never been able to escape the faces of those I wronged to wind up here. I deserve this.” –Slab, prisoner of

the characters to free Tovus Gilaf from the burgomaster’s estate. 3 A Mercykiller bloodhound (see Morte’s Planar Parade) arrives in town, searching for a fugitive who looks exactly like one of the characters. 4 The gate to Carceri briefly ruptures, releasing a host of destructive fomorians on Curst.

Areas of the Cauldron Caves

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

larger to fail the check causes the ice to crack and fall, releasing a dormant water weird. After the ice breaks, enough ice remains that characters can still climb it, but the DC of the check

initiative count 1. The skeleton spends its first two turns in combat doing nothing other than breaking out of the ice and getting to its feet, which gives the characters time to flee or get in a few hits

Encounter Locations

Compendium - Sources->Dungeons & Dragons->Candlekeep Mysteries

magical safeguards triggers, releasing two water elementals and six ice mephits. They appear in unoccupied spaces on the staircase and try to prevent intruders from reaching the basement. If Gazre

elementals attack. Elemental Cannon. On initiative count 20 (losing initiative ties), Zikran uses his handheld device to fire the cannon at one creature he can see, provided the creature is in the basement

Mortuary Locations

Compendium - Sources->Dungeons & Dragons->Adventure Atlas: The Mortuary

Version A malicious spirit (chaotic evil ghost) has tampered with one of the crypt’s magical wards, releasing a necrichor (see the appendix) previously trapped inside. The hostile creatures threaten to

defeated, each round on initiative count 10, the orrery erupts with a 100-foot-long, 5-foot-wide beam of necrotic energy that shoots down one of the orrery’s six central walkways at random. To determine

Platinum Room Locations

Compendium - Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Turn of Fortune’s Wheel

present, roll on the House of Liars Defenses table each round at initiative count 0. House of Liars Defenses d4 Event 1 Mocking Winds. A blast of powerful wind that sounds like Shemeshka’s laughter

attack roll or saving throw before initiative count 0 on the next round. On a successful save, a creature takes half as much damage only. Mosaics. The walls are covered in geometric patterns formed by

Lair Locations

Compendium - Sources->Dungeons & Dragons->Dragon Delves

the roost and join the fight on Initiative count 0 of the second round (losing ties). D2: Remorhaz Trophy The cave splits into two passages on either side of a huge centipede-like monster frozen in a

condition. Releasing Enstavva. If the characters end Enstavva’s Petrified condition, she is pensive and Friendly toward anyone who frees her. Enstavva knows Common, Dwarvish, and Giant. She is curious

Howling Hatred Cultists

Compendium - Sources->Dungeons & Dragons->Princes of the Apocalypse

of the elements, skyweavers thrill with the rush of releasing raw elemental energy. Skyweaver Medium humanoid (human), chaotic evil Armor Class 12 (15 with mage armor) Hit Points 44 (8d8 + 8

air node while Yan-C-Bin isn’t, Aerisi can take lair actions. On initiative count 20 (losing initiative ties), Aerisi uses a lair action to cast one of her spells, up to 3rd level, without using

Maelstrom Level 2

Compendium - Sources->Dungeons & Dragons->Storm King's Thunder

several high-ranking visitors: a cloud giant count named Vaal (neutral evil), a fire giant duchess named Tartha (lawful evil), a frost giant jarl named Hellenhild (neutral evil), and a stone giant thane

back of her pet killer whale. Dealing with the Giant Lords Ordning or no, Count Vaal, Duchess Tartha, Jarl Hellenhild, and Thane Braxow know better than to defy the storm giants in their own stronghold

Tomb Locations

Compendium - Sources->Dungeons & Dragons->Vecna: Eve of Ruin

. Each time the trap triggers, have the characters roll initiative. The ceiling drops to its lowest point on initiative count 20 of each round, losing initiative ties, until the trap resets. Any creature

count 20 of the next round (losing initiative ties). The ceiling is too heavy to be stopped by any braces, but an Immovable Rod or similar item can prevent it from dropping so far as to crush anyone. T11

Cave Locations

Compendium - Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk

dwarves who work for the owners of Wave Echo Cave, sent to terminate the spectator’s employment (thereby releasing it from its obligations). If the deception succeeds, the spectator disappears and

combat in this room. If they haven’t already been dealt with, they arrive after 3 rounds and act immediately after the bugbears in the initiative count. If the characters capture Nezznar and deliver

Delphi Mansion Locations

Compendium - Sources->Dungeons & Dragons->Keys from the Golden Vault

and onto the ground, releasing the tadpoles. On its turn, a crawling claw can move to a specimen jar and take an action to release the slaad tadpole trapped within. Treasure. On the shelf along the

particularly volatile. The first character who enters the room triggers a roll on the Eldritch Surges table. After the surge begins, on initiative count 20 (losing initiative ties), roll again on the

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