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Returning 35 results for 'before bringing deciding cavern rules'.
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Monsters
Quests from the Infinite Staircase
, seeking forbidden rituals he hoped could teach him the secrets of everlasting life.
When the lands of Bakar dried up, the faithful stopped bringing offerings to Amun Sa’s tomb. The threat of
by evil, Nafik now rules over the upper halls of Amun Sa’s pyramid and the priests he sentenced to an exanimate eternity.Necrotic, PoisonBludgeoning, Piercing, and Slashing from Nonmagical AttacksFire
Species
Mordenkainen Presents: Monsters of the Multiverse
Harengons originated in the Feywild, where they spoke Sylvan and embodied the spirit of freedom and travel. In time, these rabbitfolk hopped into other worlds, bringing the fey realm’s
fairy or the harengon in this section, follow these additional rules during character creation.
Ability Score Increases
When determining your character’s ability scores, increase one score by 2
Deep Dragon Wyrmling
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Monsters
Fizban's Treasury of Dragons
.
5
While the petty squabbles of other creatures bore and irritate me, I might hear out those who demonstrate an appreciation for the finer things in life by bringing me delicacies like clams or
it to the surface world. Lost and confused, the wyrmling has been captured by a group of cruel adventurers.
3
A deep dragon wyrmling whimsically rules over a worshipful group of kobolds, sending
Backgrounds
Baldur’s Gate: Descent into Avernus
a frivolous lark. You’ve maintained a solitary vigil outside the cavern entrance ever since.
2
You crossed the Guild in a bad way. Fortunately, its members think you’re dead. Less
a patriar’s scion in an illegal duel. The family swore revenge, and you fled to the slums rather than risk bringing their wrath down on your kin.
6
You aren’t originally from Baldur
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
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
The Middle Path Many DMs find that using a combination of the two approaches works best. By balancing the use of dice against deciding on success, you can encourage your players to strike a balance
between relying on their bonuses and abilities and paying attention to the game and immersing themselves in its world. Remember that dice don’t run your game — you do. Dice are like rules. They’re
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
session and for creating situations that facilitate fun. Improviser. A big part of being the DM is deciding how to apply the rules as you go and imagining the consequences of the characters’ actions in a
way that will make the game fun for everyone. Referee. When it’s not clear what ought to happen next, the DM decides how to apply the rules. Storyteller. The DM crafts adventures, setting situations in
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
session and for creating situations that facilitate fun. Improviser. A big part of being the DM is deciding how to apply the rules as you go and imagining the consequences of the characters’ actions in a
way that will make the game fun for everyone. Referee. When it’s not clear what ought to happen next, the DM decides how to apply the rules. Storyteller. The DM crafts adventures, setting situations in
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
Chapter 1: This Is Your Life The character creation rules in the Player’s Handbook provide all the information you need to define your character in preparation for a life of adventuring. What they
experience before deciding to become an adventurer? What were the circumstances of your birth? How large is your family, and what sorts of relationships do you have with your relatives? Which people
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
provide the spiders with easy prey, while the presence of the spiders provides additional protection for thehatchery. The eastern half of this cavern floor is covered in webs stretching up to the ceiling
. See “Dungeon Hazards” in chapter 5 of the Dungeon Master’s Guide for rules about webs. Eight giant spiders lurk in the nest, minus any killed elsewhere in the nursery.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
1. Entrance The tunnel from level 20 leads to a featureless, 20-foot-high cavern with four tunnel exits, two of which contain iron tracks. An empty mine cart rests at the end of the northern track
hand brake. A creature inside a cart or next to one can use its action to pull the hand brake to reduce the cart’s speed by up to 30 feet, bringing it to a stop if its speed drops to 0.
Moving out of
Compendium
- Sources->Dungeons & Dragons->Eberron: Forge of the Artificer
associate with different houses but have a common purpose. (See the “Building a Party” section below for suggestions on bringing together a party from different houses.) If the characters work for a single
house or an organization, like the Twelve, that unites them in a mutual purpose, use the group patron rules in Eberron: Rising from the Last War to provide benefits from their shared mission. The House
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
38. Zombie Horde Zombies. The stench of death fills this 20-foot-high cavern, which contains forty zombies in various states of decay. They shamble about aimlessly.
Sinkhole. A 70-foot-deep
dividing the zombies into mobs of ten or fewer and using the mob rules in chapter 8 of the Dungeon Master’s Guide.
Compendium
- Sources->Dungeons & Dragons->Sword Coast Adventurer’s Guide
advantages over each other, they all live under the heel of House Baenre and the Matron Mother, who rules the city in Lolth’s name. On a large plateau high above the cavern floor is Tier Breche, also
drow in their refuge. The constant fear of punishment, from one’s mistress or another, more powerful drow, keeps most slaves obedient, even when they aren’t directly supervised. The great cavern of
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
Let This Be Their Battlefield The players can choose where their characters confront the demon lords by deciding where to set the dark heart talisman. Vizeran’s preference is anywhere in
might lead some characters back to Araj to aid the drow apprentice.
Araumycos At the center of the network of caves and passages inhabited by Araumycos, the cavern where Juiblex and Zuggtmoy battled in
Compendium
- Sources->Dungeons & Dragons->Eberron: Rising from the Last War
known as “the Turnkey” always rules in favor of Boromar Clan members. 3 A halfling pickpocket using alter self to pose as a child of another race plants contraband on people the Boromars are trying to
stray thought might they pick up from an adventurer? 6 A Boromar smuggler is bringing unstable explosives or an especially addictive form of dreamlily into Sharn, and innocents are being hurt.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
17. Battlefield Cavern This 30-foot-high cavern was the main front of the battle between the yuan-ti and the nagas. 17a. Bones in the Mud The water here is 2 feet deep, and the cavern floor beneath
is one of Halaster’s gates (see “Gates”). Its frame is composed of an assemblage of hundreds of tiny, interlocking stone gears. This gate’s rules are as follows: Any creature that inspects the frame
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
Approach An old yuan-ti trap meant to prevent approach to the gate still functions in this area. A pressure plate under the water and mud extends the full width of the cavern entrance. A character
searching the cavern for traps who succeeds on a DC 20 Wisdom (Perception) check spots the pressure plate. The trap triggers whenever a weight of 50 pounds or more is placed on the pressure plate. Darts
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
, svirfneblin, and Zhentarim enclaves
Thousands of years’ worth of trickling water carved out the cavern where the drow, the duergar, and the svirfneblin established Mantol-Derith. Four warehouses
have been excavated at the corners of the cavern, each controlled by an enclave and containing offices and temporary lodgings for its merchants. Few of Mantol-Derith’s denizens are permanent residents
Orc
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Species
Volo's Guide to Monsters
raid just as another group returns, laden with severed heads, sacks of loot, and armfuls of food. Warriors also serve as scouts, bringing back detailed reports about the surrounding area so that the
everywhere in the world around them, and the priests of a tribe are entrusted with the responsibility of identifying these signs and omens — both good and bad — and deciding how the tribe should
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
5. Overpass Where a high tunnel passes through the larger tunnel cavern below, the goblins have set up a bridge guard post. The stream passage continues up beyond another set of uneven steps ahead
, bending eastward as it goes. A waterfall sounds out from a larger cavern somewhere ahead of you.
If the characters didn’t spot the bridge while navigating area 4, they spot it now. Add: A rickety
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
Giant Mushroom Tower The cavern around Yggmorgus is huge, and the giant mushroom nearly fills it from floor to ceiling. You have no clear reference to judge the towering mushroom’s size at this
distance. Thousands of smaller fungi cling to the main stalk, which itself splits into several lesser stalks, each long enough with a cap big enough to be the top of a great tower. The cavern floor
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
it has several different abilities, but simply deciding that an item is always active or can be used a fixed number of times per day is easier to manage. Power Level If you make an item that lets a
column suggests an appropriate bonus based on the item’s rarity. Attunement Decide whether the item requires a character to be attuned to it to use its properties. Use these rules of thumb to help you
Compendium
- Sources->Dungeons & Dragons->Journeys through the Radiant Citadel
DC 10 Constitution saving throw or gain 1 level of exhaustion. A creature that has a swimming speed can swim all day without penalty and uses the normal forced march rules in the Player’s Handbook. The
, review the rules for underwater combat in the Player’s Handbook. Death Helms a Ghost Ship After the party descends approximately 3,000 feet, the character who has the highest passive Wisdom (Perception
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
unleash the savage creature on their githyanki enemies in Seadeeps and the Crystal Labyrinth. 8a. Neothelid’s Cave Magic walls of force seal off all tunnels leading to this enormous cavern (see
“Walls of Force” below). The floor, while uneven throughout, has been worn smooth by the creature trapped here. The cavern has the following features: Neothelid. A 210-foot-long neothelid (see appendix A
Compendium
- Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus
friends were swept away by flooding, and you’ve never been able to shake the guilt of causing their deaths over a frivolous lark. You’ve maintained a solitary vigil outside the cavern entrance ever since
, you’ve learned secrets no one else knows.
5 You killed a patriar’s scion in an illegal duel. The family swore revenge, and you fled to the slums rather than risk bringing their wrath down on your
Compendium
- Sources->Dungeons & Dragons->Baldur’s Gate Gazetteer
swept away by flooding, and you’ve never been able to shake the guilt of causing their deaths over a frivolous lark. You’ve maintained a solitary vigil outside the cavern entrance ever since. 2 You
one else knows. 5 You killed a patriar’s scion in an illegal duel. The family swore revenge, and you fled to the slums rather than risk bringing their wrath down on your kin. 6 You aren’t originally
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
, a rocky cavern dimly lit by blue light filtering through the icy vault high above. The largest of the dragon’s frozen trophies are scattered about the grotto. Low Cavern. Beyond the grotto, the
stream leads to a low-ceilinged cavern the dragon used as a sleeping place when smaller; it might now serve as a home for the dragon’s minions. Upper Cavern. High above the grotto floor is a large cave
Compendium
- Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Sigil and the Outlands
once stood, bringing with it the return of the Incantifers. Members of the Incanterium siphon magic from items, spells, and those who wield them to lengthen their own lifespans. They believe that by
absorbing magic and mastering its rules, one can rewrite reality. Ring Givers Who Give as Much as They Get Factol: Jeremo the Natterer Headquarters: None Aligned Plane: Ysgard Members: Altruists
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
character unless the character attacks it. 9b. Arch Gate to Level 15 Rubble. The floor of this 50-foot-high cavern is strewn with the remains of a dozen gargoyles. (The gargoyles once guarded the gate in
this cavern, but the Stonecloaks destroyed them.)
Arch. A ramp hugs the south wall and climbs to a 20-foot-high ledge. A stone arch is embedded in the wall at the west end of the ledge.
The arch
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
in control. 2a. Troglodyte Chain Gang The air in this cavern is heavy with the stench of twenty-two adult troglodytes. They wear iron shackles on their ankles and are chained together while awaiting
Halaster’s gates (see “Gates”). Carved into the arch’s keystone is a hand-shaped indentation with a sigil representing magic scribed into the palm. Its rules are as follows: Casting the mage hand
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
underfoot shiver. Waves come about two minutes apart, growing louder toward the northeast.
Wave Echo Cave is nowhere near the ocean, but a water-filled cavern deep in the mine is connected to an
Compendium
- Sources->Dungeons & Dragons->Monster Manual
Piercer Aberrant Counterfeit Stalactite Habitat: Underdark; Treasure: Individual Piercers resemble stalactites, but each has a toothy maw and a single eye. They hang from cavern ceilings along routes
.
—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->Dungeon Master’s Guide
players are experienced, start the campaign at level 3 instead. (See the Player’s Handbook for rules on starting at higher levels.) Bringing the Party Together During session zero, help the players come
, and discuss house rules, with the goal of ensuring the game is a fun experience for everyone involved. The “Ensuring Fun for All” section in chapter 1 covers some of the most important groundwork you
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
Terrain Encounters The Underdark contains dangerous hazards and wondrous terrain. Special terrain rules are explained after the table. d20 Encounter 1 Boneyard 2 Cliff and ladder 3 Crystal
clusters 4 Fungus cavern 5 Gas leak 6 Gorge 7 High ledge 8 Horrid sounds 9 Lava swell 10 Muck pit 11 Rockfall 12 Rope bridge 13 Ruins 14 Shelter 15 Sinkhole 16 Slime or mold 17 Steam vent 18 Underground






