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Returning 35 results for 'before being draining caverns rules'.
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
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
pool that connects to the caldera lake via an underwater channel. When the volcano is active, the waters here bubble up into the caves before draining down nearby lava tubes. During especially active
Monsters
Fizban's Treasury of Dragons
’s lair is a maze of twisting tunnels, interconnected caverns, or crumbling ruins designed to disorient intruders. Circuitous routes within the lair provide the dragon with numerous ways to evade
before draining down nearby lava tubes. During especially active periods, the waters surge up into the nearest halls and corridors before draining away.
Underwater Cache. The dragon stashes gold and
Compendium
- Sources->Dungeons & Dragons->Player’s Handbook
Damage Types Attacks and other harmful effects deal different types of damage. Damage types have no rules of their own, but other rules, such as Resistance, rely on the types. The Damage Types table
water, icy blasts Fire Flames, unbearable heat Force Pure magical energy Lightning Electricity Necrotic Life-draining energy Piercing Fangs, puncturing objects Poison Toxic gas, venom Psychic Mind
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
Damage Types Attacks and other harmful effects deal different types of damage. Damage types have no rules of their own, but other rules, such as Resistance, rely on the types. The Damage Types table
water, icy blasts Fire Flames, unbearable heat Force Pure magical energy Lightning Electricity Necrotic Life-draining energy Piercing Fangs, puncturing objects Poison Toxic gas, venom Psychic Mind
Compendium
- Sources->Dungeons & Dragons->Monster Manual
Swarm of Stirges Swarms of stirges sometimes form in swamps and Underdark caverns, draining livestock and any other creatures that can’t escape them. Swarm of Stirges Medium Swarm of Tiny
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
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->Fizban's Treasury of Dragons
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, or crumbling
subterranean pool that connects to the caldera lake via an underwater channel. When the volcano is active, the waters here bubble up into the caves before draining down nearby lava tubes. During
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->Van Richten’s Guide to Ravenloft
land is ruled by Pharaoh Ankhtepot, the immortal intermediary between the mortals and the gods. The pharaoh rules from his pyramid, Pharaoh’s Rest, in the City of the Dead. The people worship a
for removing the heart, draining the body of blood, and wrapping the remains in linen. These methods preserve the body so the pharaoh might call it to service. It is a crime to burn the dead. Akirrans
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->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->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->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->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
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->Tomb of Annihilation
Soulmonger or by some other life-draining effect, such as the touch of a wight, wraith, or similar creature. If a humanoid dies anywhere on the planet, its soul becomes trapped inside the Soulmonger
). This effect ends when the Soulmonger is destroyed. Other rules concerning death saving throws remain unchanged. Soul Devouring The soul of any humanoid that dies while the death curse is active becomes
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
“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
Intelligence (History) check recognizes the sword and recalls this lore. Sir Aldith died fighting off the orcs that attacked through the hidden caverns below his manor. Talon was lost here until the nothic
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->Acquisitions Incorporated
takes 3 (1d6) bludgeoning damage. Maps 1.2 and 1.3 show the layout of the caverns and chambers beneath the fissure.
Map 1.2: Areas 1, 2, 3, 4, and 5 View Player Version 1. Rats When the first
). 2. Trials The earthquake sealed many of the passages that once made up this underground maze. As the characters explore, they pass through worked tunnels, natural caverns, and functional sewers at
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
Compendium
- Sources->Dungeons & Dragons->Sword Coast Adventurer’s Guide
dead. The return of Bhaal and his apparent reclamation of the domain of murder from Cyric led some scholars and sages to believe that the rules by which all deities must abide were in flux. In 1484
enemies. The battle awakens what turns out to be a hive of the creatures, and they use the life and magic-draining power of the spire against the lands below. By 1489, many of the wars that began
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
furnishings include an unmade bed, a drafting table, and an iron safe (see “Iron Safe” below).
Alcoves. Alcoves to the south contain a poorly draining privy and a modest kitchenette where food molders in
in the west wall is one of Halaster’s magic gates (see “Gates”). Its rules are as follows: The gate opens for 1 minute if a creature stands within 5 feet of the arch and either sings a D note or plays
Compendium
- Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus
bored into the stone, carving a maze of meandering tunnels and draining into subterranean aquifers. Though hardly diverting enough water to impact the river’s flow, the web of submerged chambers has
become a source of mystery and legend for locals. While most of the tunnels are submerged, changes in river height over time mean that some of the tunnels and caverns are dry or only half-flooded for
Compendium
- Sources->Dungeons & Dragons->Baldur’s Gate Gazetteer
, carving a maze of meandering tunnels and draining into subterranean aquifers. Though hardly diverting enough water to impact the river’s flow, the web of submerged chambers has become a source of
mystery and legend for locals. While most of the tunnels are submerged, changes in river height over time mean that some of the tunnels and caverns are dry or only half-flooded for long stretches






