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Returning 35 results for 'both before detected caverns rules'.
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Monsters
Fizban's Treasury of Dragons
table to help select spells for a spellcasting dragon. (Though the Monster Manual doesn’t explicitly include dragon turtles in the variant rules for making a dragon a spellcaster, you can apply
those rules to these aquatic dragons.)
Dragon Turtle Personality Traits
d8;{"diceNotation":"1d8","rollType":"roll","rollAction":"Trait"}
Trait
1
I speak slowly and deliberately
Monsters
Fizban's Treasury of Dragons
disguised as a human merchant prince.
5
An adult emerald dragon shows an emerald dragon wyrmling how to safely observe Humanoids without being detected.
6
An adult emerald dragon keeps a
comfortable in extreme heat, so they frequently choose lair sites in the sides of volcanoes or near geothermal vents.
An emerald dragon’s lair is a maze of twisting tunnels, interconnected caverns
Compendium
- Sources->Dungeons & Dragons->Descent into the Lost Caverns of Tsojcanth
Using This Supplement In addition to the adventure, this supplement includes the following appendices: Appendix A presents a small trove of magic items available to all who brave the Lost Caverns of
Tsojcanth. At the DM’s discretion, the characters might earn one or more of these treasures as a reward for completing the adventure. Appendix B contains a creature that dwells in the Lost Caverns
Compendium
- Sources->Dungeons & Dragons->Dragons of Stormwreck Isle
Seagrow Caves Features The caves have the following features: Ceilings. Unless noted otherwise, the ceilings in the caverns are 20 feet high, and the tunnels connecting the caverns are 15 feet high
. Light. The interior caves are illuminated by bioluminescent fungi, which provide dim light throughout the area. See “Vision” in the Basic Rules. Walls. The cave walls are formed from hexagonal columns
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
became infected with lycanthropy after an unfortunate encounter with a pack of wererats. For decades, the Goldwhisker svirfneblin have lived and thrived in these caverns, avoiding drow and crazed
trap unless the trap has been detected and disarmed. Roll a d6 to determine the type of trap: 1–2, spiked pit (10 feet deep and lined with zurkhwood spikes); 3–4, collapsing roof; or 5–6, poison darts. See “Sample Traps” in chapter 5 of the Dungeon Master’s Guide for information on each trap.
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
Underdark Travel The Underdark is a vast network of caverns, tunnels, vaults, and passages stretching from one end of Faerûn to the other. Its physical features are even more varied than those of the
through the Underdark is handled abstractly, using the rules and advice in chapter 8, “Adventuring,” of the Player’s Handbook. The following specific guidelines apply to travel in the Underdark during this adventure.
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
domain of Araumycos is a bizarre fungal realm in the heart of the Underdark.
Light. Araumycos’s tunnels and caverns are dimly lit by phosphorescent fungi.
Terrain. Fungal life fills the caverns and
soft enough that characters can sink into it with no warning. Use the quicksand rules in chapter 5, “Adventure Environments,” of the Dungeon Master’s Guide for such areas. Creatures that fail to escape become food for Araumycos.
Compendium
- Sources->Dungeons & Dragons->Infernal Machine Rebuild
stone golem. This stone supposedly fell from Ogrémoch’s body during the fight against Olhydra that carved out the first of the temple caverns. The smaller alcove holds the golem under construction
the underground lake is hidden within the fireplace, and can be detected with a successful DC 16 Wisdom (Perception) check. The image of the brazier held by the statue of Moloch is worked into the
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
light sources or darkvision. Stalagmites. Found in many of the natural caverns, these spires of rock rise up from the floor and can be used for cover (see “Cover” in the Basic Rules). BOOMING WAVES
noted otherwise. Rooms have 20-foot-high ceilings, while natural caverns have 30-foot-high ceilings dotted with stalactites. Doors. Unless noted otherwise, all doors are 6 feet tall, 4 feet wide, and
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
18. Serpent Gate These 10-foot-high side caverns feature a standing gate that grants access to level 11. Strikingly beautiful carvings of serpents decorate the walls of these caverns. 18a. Trapped
muck. Chiseled into the lintel stone across the top are the words “DON THE CRYSTAL CROWN” in Dwarvish. This gate’s rules are as follows: The gate opens for 1 minute if a creature wears King Melair’s
Compendium
- Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes
surest sign of Lolth’s approval. No tactic is outside the rules in this ongoing conflict. Raids against another house’s outlying property (farming caverns, trade caravans, or hunting parties) are
Compendium
- Sources->Dungeons & Dragons->Monster Manual
ropers as they can to avoid ropers’ undiscerning hunger. Many piercers migrate vast distances through the Underdark, often to caverns or buried ruins near the surface. Rule 8: Never trust a stalactite
.
—X the Mystic’s
Rules of Dungeon Survival
Olivier Bernard
Piercer Medium Aberration, Unaligned
AC 15 Initiative +3 (13)
HP 22 (3d8 + 9)
Speed 5 ft., Climb 15 ft.
Mod Save
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
form. Jhesiyra can exert control over Halaster’s magic gates, keeping adventurers from passing through them if she thinks they lack the might needed to defeat the perils beyond. In terms of game rules
the danger that awaits the adventurers or communicate with them in any other way, for fear of being detected by Halaster. Powerful divination magic can reveal Jhesiyra’s disembodied presence
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
ground. The character is restrained until 1 or more slashing damage is dealt to the snare’s cord. (See the appendix in the Basic Rules for the effect of being restrained.) A character who isn’t
Wisdom (Perception) check to spot the hidden pit. If the trap isn’t detected, the lead character must succeed on a DC 10 Dexterity saving throw or fall in, taking 1d6 bludgeoning damage. The pit’s walls are not steep, so no ability check is required to scramble out.
Compendium
- Sources->Dungeons & Dragons->Player's Handbook (2014)
day crossing a rolling plain or an hour making their way through caverns underground. On the smallest scale, it could mean one character pulling a lever in a dungeon room to see what happens. Social
rescued prisoner, pleading for mercy from an orc chieftain, or persuading a talkative magic mirror to show a distant location to the adventurers. The rules in part 2 (especially "Using Ability Scores" and
Compendium
- Sources->Dungeons & Dragons->Monster Manual (2014)
of the world. Their hut villages thrive in forbidding grottoes, half-sunken ruins, and watery caverns.
Territorial Xenophobes. Lizardfolk deal and trade with other races only rarely. Fiercely
territorial, they use camouflaged scouts to guard the perimeter of their domain. When unwelcome visitors are detected, a tribe sends a hunting band to harass or drive the trespassers off, or tricks them into
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
against the demon lords along the way. Long ago, the Labyrinth was much like any other part of the Underdark, consisting largely of natural caverns connected by tunnels and underground rivers. The
staircases along their walls, or weathered bridges spanning their gaps. Characters in the Labyrinth can easily become lost. Traveling through this area follows the rules under “Navigating” in chapter 2, but
Compendium
- Sources->Dungeons & Dragons->Monster Manual
Caverns filled with smoke or gas. 3 Dead magic* or wild magic* zones. 4 The lair of a creature it is trying to bait out. 5 A nest of rats, insects, or other vermin. 6 Patches of brown mold* or green
slime*. 7 Pools of magma or boiling water. 8 Razorvine* or similar dangerous plants. *See the Dungeon Master’s Guide. Rule 9: Never trust a stalagmite.
—X the Mystic’s
Rules of Dungeon Survival
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
using telepathy. If detected, it prefers to negotiate and isn’t above betraying the Redbrands for the right incentive, such as the promise of food. When roleplaying the nothic, consider speaking in
“Difficult Terrain” in the Basic Rules). The bottom of the crevasse feels unnaturally cold. When viewed with a detect magic spell, the area emanates a faint necromantic aura. The magic causes all
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
11. Forest of Stone These 20-foot-high caverns are filled with stalagmites, stalactites, and other rock formations, giving this area the appearance of a dense forest of stone. 11a. Standing Gate to
stalagmites have been sawed off, and a lintel stone rests atop them. Chiseled into the lintel stone are the words “DON THE CRYSTAL CROWN” in Dwarvish. The rules of this gate are as follows: The gate
Compendium
- Sources->Dungeons & Dragons->Acquisitions Incorporated
goblin might assist with this task if the characters keep him around, as a kind of warm-up for the rules for letting NPCs run franchise tasks (which the characters will gain access to at the end of
clandestine tours into the caverns by those who want other dangerous relics destroyed. See “Franchise Tasks and Downtime” in chapter 2 for more information on those new activities.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
9. Foggy Caves The fog is thicker in these caverns, rising above the floor to a height of 4 feet. 9a. Ambush Point The fog in this otherwise empty 10-foot-high cave conceals a group of sentries from
(see “Gates”). The rules of this gate are as follows: If one pint or more of any liquid is poured on the floor within 5 feet of the arch, the gate opens for 1 minute. Characters must be 9th level or
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
9. Way to the Gate These out-of-the-way caverns hold one of Halaster’s magic gates, the approach to which is closely watched by his servants. 9a. Stonecloak Sentries Two stone golems carved to
is one of Halaster’s gates (see “Gates”). It is composed of one hundred stone jigsaw pieces, each weighing 10 pounds. The rules of this gate are as follows: Only one piece of the arch can be removed at
Compendium
- Sources->Dungeons & Dragons->Heroes of the Borderlands
Bludgeoning damage.
Rules for detecting and escaping the trap are as follows:
Detecting the Trap. The pit is poorly camouflaged. A character who examines the trapped area easily discovers the pit
. Once detected, the pit can be safely avoided by sidling along its perimeter.
Escaping the Pit. The pit’s walls have cracks big enough to serve as handholds, allowing trapped creatures to climb out
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
that grows at the back of the cave. 2c. Fungus Gardens The creature in area 2a comes here to feed, as do other creatures dwelling in the caverns. The cave has the following features: Fungi. Gardens
inanimate minotaur skeleton embedded in each one, facing each other. These standing stones form one of Halaster’s magic gates (see “Gates”). The rules of the gate are as follows: Any creature that touches
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
emerald dragon lairs in abandoned bandit caverns also occupied by a friendly earth elemental, which hunts for buried coins for the dragon’s hoard.
3 A galeb duhr acts as a door guard to a young
emerald dragon wyrmling how to safely observe Humanoids without being detected.
6 An adult emerald dragon keeps a wary eye on the efreet who have built a tower near the dragon’s lair, and
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
White Dragon Lairs A white dragon’s lair is a place of freezing temperatures and profound solitude. Forgotten mountain holds, inaccessible chasms, and frozen caverns buried deep beneath glacial ice
(see the Dungeon Master’s Guide for rules on strong wind). The dragon’s flying is not affected by this wind, which lasts until the next time the dragon uses a lair action or until the dragon dies
Compendium
- Sources->Dungeons & Dragons->Heroes of the Borderlands
on a DC 12 Dexterity saving throw or be hoisted 5 feet into the air. The hoisted creature has the Restrained condition until it gets free. Rules for detecting, disabling, and escaping the trap are as
follows: Detect and Disable. As a Search action, a character can examine the carcass and make a DC 13 Wisdom (Perception) check, detecting the trap on a successful check. Once detected, the trap can
Compendium
- Sources->Dungeons & Dragons->Heroes of the Borderlands
armor scraps and rusty weapons balanced atop the partly open double door. Moving either door triggers the trap, the rules for which are as follows: Avoiding the Trap. A Medium or smaller creature can
door and make a DC 13 Wisdom (Perception) check, detecting the trap on a successful check. Once detected, the trap can be disabled by a character who takes the Utilize action and succeeds on a DC 13
Compendium
- Sources->Dungeons & Dragons->Acquisitions Incorporated
succeeding on a DC 13 Intelligence (Investigation) check can see through the illusion. If the illusion is detected, all the characters see the gibbering mouthers in their true forms as both creatures
caverns.” The flumph can accompany the characters back to the default Test Market if they wish, helping them as best it can in future encounters (and probably dying horribly). Chest. The iron-bound chest
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
Wisdom (Perception) check. To set an appropriate DC for the check, see chapter 8. Opening a Secret Door. Once a secret door is detected, a successful Intelligence (Investigation) check might be required
. Adventurers must bring their own sources of light into dusty tombs where only undead stand guard, abandoned ruins teeming with predatory monsters and oozes, and natural caverns where sightless creatures
Compendium
- Sources->Dungeons & Dragons->Monster Manual (2014)
, however, for the fomorians brought their doom upon themselves with the evil that rules their hearts and minds. Fey Curse. The elves remember when the fomorians were among the most handsome of races
caverns in the Underdark, rarely venturing to the surface. Their lairs feature abundant access to water, fish, and mushroom forests, as well as to the creatures whose slave labor keeps the fomorians fed
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a5
stone, mostly marble. Caverns are rough-hewn stone. Ceilings rise from 20 feet to vaults of 30 feet. Caverns have natural ceilings roughly 30 feet high. Corridor ceilings are 20 feet high. Contact
detected. Dungeon Denizens The Red Wizards, aided and abetted by their Thayan servants, hold sway over the Doomvault. In addition to battling the monstrous residents of the dungeon, the characters will
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
, communicate your expectations about these rules to the players ahead of time. If you don’t plan on tracking Rations, tell your players that before they spend an hour purchasing supplies for their
area. It takes 10 minutes to find a trail in a confined area, such as a series of caverns, or 1 hour outdoors. Viko Menezes A river presents an obstacle to characters traveling through the wilderness
Compendium
- Sources->Dungeons & Dragons->Monster Manual (2014)
in their subterranean realm, where they feel secure and in control.
Underdark Cities. The drow build fantastic cities in enormous caverns where food and water are abundant. Their ability to sculpt
social ladder are drow of low birth and the occasional non-drow captive. Matriarchal Rule. Lolth, through her faithful priestesses, dictates the rules of drow society, ensuring that her orders and plots