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Returning 35 results for 'rust must'.
Monsters
Infernal Machine Rebuild
Rust Monster Cloak. Any nonmagical weapon made of metal that hits Barbatos corrodes. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops
the target must succeed on a DC 13 Constitution saving throw or be poisoned for 1 hour. If the saving throw fails by 5 or more, the target is also unconscious. The target regains consciousness if it
Magic Items
The Wild Beyond the Witchlight
dust, becoming useless and unsalvageable. Any creature in the area that is made wholly or partly out of ferrous metal must make a DC 13 Constitution saving throw, taking 4d8 necrotic damage on a failed
save, or half as much damage on a successful one.
Found in a small packet, this dust is made from finely ground rust monster antennae. There is enough dust in each packet for one use.
Monsters
Mordenkainen Presents: Monsters of the Multiverse
’t a Plant must succeed on a DC 12 Constitution saving throw or be poisoned. While poisoned in this way, a target takes 9 (2d8);{"diceNotation":"2d8", "rollType":"damage", "rollAction":"Spores
across a metal object can be mistaken for rust, and a successful DC 15 Intelligence (Nature) or Wisdom (Survival) check is required to identify it.
Effects of the Mold
Any creature that comes within
Monsters
Mordenkainen Presents: Monsters of the Multiverse
in places that are dark, warm, and wet. Russet mold that spreads out across a metal object can be mistaken for rust, and a successful DC 15 Intelligence (Nature) or Wisdom (Survival) check is
required to identify it.
Effects of the Mold
Any creature that comes within 5 feet of russet mold must make a DC 13 Constitution saving throw as the mold emits a puff of spores. On a failed save, the
Monsters
Mordenkainen Presents: Monsters of the Multiverse
.
The mold is found only in places that are dark, warm, and wet. Russet mold that spreads out across a metal object can be mistaken for rust, and a successful DC 15 Intelligence (Nature) or Wisdom
(Survival) check is required to identify it.
Effects of the Mold
Any creature that comes within 5 feet of russet mold must make a DC 13 Constitution saving throw as the mold emits a puff of spores. On
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
spike) reduces the item to powdered rust and opens the gate for 1 minute. Characters must be 6th level or higher to pass through this gate (see “Jhesiyra Kestellharp”). The first creature to pass
”). Carved into the arch gate’s keystone is an image of a rust monster. The rules of this gate are as follows: Touching the arch with a nonmagical item made entirely of ferrous metal (such as an iron
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
agree to help her, they are free to claim anything else they find in the fortress. Yargoth keeps her end of the deal, provided the characters do the same. 11b. Fire and Rust Defenses. Six hobgoblins
stand guard near a pair of flame cannons aimed at a natural stone bridge.
Lit Enclosure. Seven-foot-high stone walls form an enclosure that abuts the west wall. Inside are trapped four rust monsters
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
fills the opening between the two caverns. The outer surface of the scrap pile is difficult terrain. In addition, any creature that tries to climb or walk across the jagged heap of metal must succeed
13. The warren contains the following: Rust Monsters. A rust monster gorges on scrap metal in each of the squares marked R on the map.
Central Chamber. In the heart of the warren is a 30-foot-wide
Compendium
- Sources->Dungeons & Dragons->The Wild Beyond the Witchlight
in the area instantly corrode and turn to dust, becoming useless and unsalvageable. Any creature in the area that is made wholly or partly out of ferrous metal must make a DC 13 Constitution saving
throw, taking 4d8 necrotic damage on a failed save, or half as much damage on a successful one. Found in a small packet, this dust is made from finely ground rust monster antennae. There is enough dust in each packet for one use.
Compendium
- Sources->Dungeons & Dragons->Infernal Machine Rebuild
Common
Challenge 6 (2,300 XP)
Rust Monster Cloak. Any nonmagical weapon made of metal that hits Barbatos corrodes. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to
) piercing damage, and the target must succeed on a DC 13 Constitution saving throw or be poisoned for 1 hour. If the saving throw fails by 5 or more, the target is also unconscious. The target regains
Magic Items
Infernal Machine Rebuild
wear and metal weapons you hold—reproducing the effect of the rust monster;s;rust monster's Rust Metal trait.
06
Your fingers sprout tiny clockwork picks, granting you advantage on ability
melee attack, the target must succeed on a DC 15 Constitution saving throw. On a failed save, you transfer the disease or the condition to the target, and the disease or condition ends for you.
Water
Compendium
- Sources->Dungeons & Dragons->Infernal Machine Rebuild
, while his cloak incorporates the feathery antennae of several rust monsters. The silver wires connect those living tissues to the ranger’s own heart, providing his unique features. This setup is made
permanently inoperable if Barbatos is slain. Anyone attempting to disrupt the wires must succeed on a DC 13 Constitution saving throw or take 11 (2d10) force damage. The wires are self-repairing, and
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
beyond repair, lay strewn across the floor. Hidden amidthe wreckage are a couple discarded magic items (see “Treasure” below).
Rust Monsters. Three rust monsters gorge on the piles of scrap and are
the exploding die must make a DC 13 Dexterity saving throw, taking 40 (9d8) force damage on a failed save, or half as much damage on a successful one. 3–4 The dodecahedron casts light on itself. The
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
: Touching the arch with a nonmagical item made entirely of ferrous metal (such as an iron spike) reduces the item to powdered rust and opens the gate for 1 minute. Characters must be 9th level or
a rust monster. Arch Gate. The arch is one of Halaster’s magic gates (see “Gates”). The Xanathar Guild forces nearby are aware of the gate but don’t know how to activate it. Its rules are as follows
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
powdered rust. Artifacts are immune to this corrosion. Any metal object not being worn or carried that enters the room is instantly drawn to the shield if it weighs 150 pounds or less. Any creature
wearing or carrying metal items that enters the room or starts its turn there can feel the pull of the statue and must succeed on a DC 10 Strength (Athletics) check to resist it. On a failed check, the
Compendium
- Sources->Dungeons & Dragons->Monster Manual (2014)
steely black to gleaming silver, but this natural armor in no way hinders its movement or mobility. The oils of its body lubricate the armor. A sick or inactive gorgon gathers rust like fungus or
hits it with a gore attack on the same turn, that target must succeed on a DC 16 Strength saving throw or be knocked prone. If the target is prone, the gorgon can make one attack with its hooves
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
start of each of the remorhaz’s turns.
If the remorhaz takes 30 damage or more on a single turn from a creature inside it, the remorhaz must succeed on a DC 15 Constitution saving throw at the end
toward it.
Rust Monster Medium Monstrosity, Unaligned
AC 14 Initiative +1 (11)
HP 33 (6d8 + 6)
Speed 40 ft.
Ability Score Mod Save
Str 13 +1 +1
Dex 12 +1 +1
Con 13 +1
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
, shored-up wooden beams stretches across the chasm, between you and the archway to the courtyard. The chains of the drawbridge creak in the wind, their rust-eaten iron straining under the weight
percent chance of one of its boards breaking under the creature. If a board breaks, the creature must succeed on a DC 10 Dexterity saving throw or fall to the bottom of the cliffs, 1,000 feet below. If a
Compendium
- Sources->Dungeons & Dragons->Quests from the Infinite Staircase
same result as a previous roll, feel free to reroll or choose a different encounter. Random Ziggurat Encounters d12 Encounter 1 1 rust monster 2 2 giant centipedes 3 1 owlbear 4 1d4 hobgoblins
the characters to their leader in area B25. 12 1d6 cultists of Zargon declare that the characters must be sacrificed to the Returner and attempt to capture them alive.
Compendium
- Sources->Dungeons & Dragons->Storm Lord’s Wrath
. Accessing the Cave In order to access this cave, a creature must swim through a submerged tunnel teeming with scary-looking fish. The fish have strange glowing eyes and large teeth, but they are just normal
Neverwinter. Nana Pocktuss likes to dance. If any of the characters can play music or dance themselves, Nana Pocktuss appreciates a grand old hoedown to shake the rust (and maggots) out of her old joints
Compendium
- Sources->Dungeons & Dragons->Infernal Machine Rebuild
releases the restraints on the tables, freeing all the creatures in this area. Anyone attempting to disrupt the controls or the wires must succeed on a DC 13 Constitution saving throw or take 11 (2d10
’ chains to rust with age and weaken, even as the owlbears age into undead versions, break free, and attack until destroyed. Each of the skeletal, rotted creatures uses the skeletal owlbear or skeletal two
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
walls have fallen to the floor and succumbed to rust. A large, wooden throne carved to resemble a dragon with unfolding wings faces three tall windows to the west. Slumped in the throne is a gaunt
allowed to die again. Instead, he must suffer eternally in a hell of his own creation, from which he can never escape. Whatever can be done to bring him misery and unrest, I will do, but I will destroy
Compendium
- Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Turn of Fortune’s Wheel
. When the captain is close enough to be heard, read or paraphrase the following boxed text: A human solider wearing rust-red plate armor flies through the air. He comes to a halt, hovering several dozen
medallion. A guard explains that the badge identifies the character as a visitor and must be worn at all times. Anyone found not wearing a gray badge is removed from town. The guards are humorless. Any
Compendium
- Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus
landscape. At the center of the compound is a hill of rust-colored stone that resembles a hand clawing out of the ground, with gaps between the fingers. A jagged wall made of rock, bones, and metal debris
fortress, see “Entering the Fort” below. First, however, review the following summary of how to run this scene to maximum effect. Running the Fort In this part of the adventure, the characters must
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal
to “ride the rope”) must pay a gold piece to be lowered down. The return trip also costs a piece of gold, sent up in a bucket in advance. Once the initial payment is made, a few stairs takes one to
that is sealed and cannot be opened 19 A feeler taken from a slain rust monster 20 A wooden pipe marked with Elminster’s sigil
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
now and functions as terrain. It fully rouses only every few decades. This nodule is tube-shaped with a massive cave at one end. Several heaps of rust-colored moss speckle its slimy surface.
The
the mouth shuts must make a DC 20 Dexterity saving throw. A creature is pushed 5 feet closer to the throat on a failed save. A creature caught between the teeth that succeeds on this saving throw can
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
. Wall of Rust and Bones Bisecting this room is an 8-foot-high, 2-foot-thick wall of hobgoblin skeletons and rusty armor, with a 2-foot gap between the top of the wall and the ceiling. A Tiny creature
. 13e. “Nothic to See Here!” An arcane lock spell has been cast on the western door. Rizzeryl the drow mage (see area 14) can pass through the portal. Other creatures must force the door open with a
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
.
The pit is 20 feet deep. To unlock Wongo’s sarcophagus, the characters must turn three keys hidden inside the treasure chests. Treasure Chests Each chest is 5 feet long, 3 feet wide, and 3 feet high
(including objects carried or worn by a creature in the chest) to corrode into worthless piles of rust. Objects partly made of metal are ruined as their metal components decay. Pushing the silver
Compendium
- Sources->Dungeons & Dragons->Mordenkainen Presents: Monsters of the Multiverse
creature in that area that isn’t a Plant must succeed on a DC 12 Constitution saving throw or be poisoned. While poisoned in this way, a target takes 9 (2d8) poison damage at the start of each of its
forest nearby. The mold is found only in places that are dark, warm, and wet. Russet mold that spreads out across a metal object can be mistaken for rust, and a successful DC 15 Intelligence (Nature) or
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
fungus known as russet mold is reddish-brown in color and found only in places that are dark, warm, and wet. Russet mold that spreads out across a metal object can be mistaken for natural rust, and a
successful DC 15 Intelligence (Nature) or Wisdom (Survival) check is required to identify it accurately by sight in such a case.
Any creature that comes within 5 feet of russet mold must make a DC 13
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
sphere is free of such debris. Several weapons on the ground seem like they might still be serviceable, although all are badly worn.
If the orb is disturbed, all creatures within 10 feet of it must
in their nests, including 560 sp, 220 gp, a gold bracelet (50 gp), a silver ewer (10 gp), a pair of silver earrings shaped like skulls (each worth 10 gp), and a potion of superior healing. F5. Rust
Compendium
- Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Sigil and the Outlands
gaze inward, ensuring no one escapes. Curst receives traitors and felonious folk with open arms, but to leave the gate-town, residents must receive approval from the burgomaster, a capricious shator
Dolores who makes a living off the garbage and keeps it from spilling into the town. Dolores occasionally hires adventurers to clear her yard of dumpster divers and trespassers. Roaming packs of rust
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
Bytopia Amber 7 Carceri Olive 8 Elysium Orange 9 Ethereal Plane Spiraling white 10 Gehenna Russet 11 Hades Rust 12 Limbo Jet black 13–14 Material Plane Silver 15 Mechanus Diamond blue 16 Mount Celestia
enables creatures to use spells such as Teleport to travel from Wildspace to a nearby world, or vice versa. A creature or ship traveling from one Wildspace system to another must cross the Astral Plane
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
. Circular iron doors are recessed in the walls.
Scrap Pile. The slopes of the scrap pile are strewn with the mutilated corpses of several rust monsters.
Palace Features The structural features of
magical energy in a 20-foot-radius sphere centered on it. Each creature in the area must make a DC 17 Dexterity saving throw, taking 31 (7d8) thunder damage on a failed save, or half as much damage on a
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
. Characters who explore the mines come across three rust monsters scrounging for iron ore. The rust monsters, which came up from the Underdark, attack anyone wearing metal armor or carrying metal shields or
check is made with disadvantage if the character must reach through the gate from area X16 to get at the lock. A knock spell or similar magic also opens the padlock. Any attempt to breach the gate