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Returning 35 results for 'first terrain'.
Spells
Player’s Handbook
.
Ground in the Cylinder is Difficult Terrain. When a creature enters the Cylinder for the first time on a turn or starts its turn there, it must succeed on a Dexterity saving throw or have the Prone condition and lose Concentration.
Monsters
Monster Manual
or until the gnoll’s Concentration ends on it. This area is Difficult Terrain. Dexterity Saving Throw: DC 14, any creature that starts its turn in this area or enters it for the first time on a
Spells
Player’s Handbook
Swarming locusts fill a 20-foot-radius Sphere centered on a point you choose within range. The Sphere remains for the duration, and its area is Lightly Obscured and Difficult Terrain.
When the swarm
the spell’s area for the first time on a turn or ends its turn there. A creature makes this save only once per turn.
Using a Higher-Level Spell Slot. The damage increases by 1d10 for each spell slot level above 5.
Spells
Player’s Handbook
You conjure a mass of sticky webbing at a point within range. The webs fill a 20-foot Cube there for the duration. The webs are Difficult Terrain, and the area within them is Lightly Obscured.
If
turn. Webs layered over a flat surface have a depth of 5 feet.
The first time a creature enters the webs on a turn or starts its turn there, it must succeed on a Dexterity saving throw or have the
Monsters
Monster Manual
. First Failure: The target has the Restrained condition and repeats the save at the end of its next turn if it is still Restrained, ending the effect on itself on a success. Second Failure: The target
Wisdom saving throw or gain no benefit from that rest.
Warping Terrain. Minor warps in reality occur near the lair; any creature (excluding the beholder) within 1 mile of the lair that makes a D20 Test
Spells
Player’s Handbook
directions. The water in the area moves as you direct it, but once it moves beyond the spell’s area, it resumes its flow based on the terrain. The water continues to move in the direction you
the whirlpool is pulled 10 feet toward it. When a creature enters the whirlpool for the first time on a turn or ends its turn there, it makes a Strength saving throw. On a failed save, the creature
Monsters
Guildmasters’ Guide to Ravnica
Ambusher. In the first round of a combat, the stalker has advantage on attack rolls against any creature that hasn’t taken a turn yet.
Nimble Escape. The stalker can take the Disengage or Hide
action as a bonus action on each of its turns.
Ruin Dweller. The stalker has advantage on Dexterity (Stealth) checks made to hide in ruins, and its speed is not reduced in difficult terrain composed
Magic Items
Bigby Presents: Glory of the Giants
terrain doesn’t cost the painted creature extra movement.
Life Rune. The painted creature gains 10 temporary hit points and has advantage on death saving throws.
Light Rune. The painted creature
creature can benefit from only one painted rune at a time, so a new rune painted on a creature has no effect unless the old one is removed first. The rune’s benefits last for 8 hours or until the painted creature uses its action to wipe away the rune.
Monsters
Planescape: Adventures in the Multiverse
Secretions", "rollDamageType":"acid"} acid damage.
Boundless Movement. The kelubar ignores difficult terrain, and magical effects can’t reduce its speed. It can spend 5 feet of movement to
point within 120 feet of itself. The cloud remains for 1 minute or until the kelubar uses this bonus action again. The cloud is heavily obscured and difficult terrain. Any creature that starts its
Monsters
Vecna: Eve of Ruin
Glacial Aura. At the end of the borthak’s turn, slippery ice covers surfaces within 10 feet of the borthak. This ice is difficult terrain. When a creature other than the borthak enters the ice
’s area for the first time on a turn or starts its turn there, it must succeed on a DC 16 Dexterity saving throw or have the prone condition. The ice disappears at the start of the borthak&rsquo
Monsters
The Book of Many Things
Incorporeal Movement. The breath drinker can move through other creatures and objects as if they were difficult terrain. It takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction
masters. The first breath drinker manifested in the multiverse when the Void card was first drawn from the original Deck of Many Things.Poison, RadiantAcid, Cold, Fire, Lightning, Thunder; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksNecrotic
Monsters
Spelljammer: Adventures in Space
first puzzled by the effort, then wary. If this kindness is sufficient to earn the creature’s trust, the b’rohg will try to repay the stranger, perhaps by carrying their gear or helping them
navigate perilous terrain. A solitary b’rohg that is befriended by a group of adventurers might follow them around for a while, but it will soon tire of their company and once again seek out others of its own kind.
Monsters
Vecna: Eve of Ruin
terrain, and lightly obscured;lightly obscures its area. A creature that starts its turn in the webbing or enters the webbing for the first time on its turn must succeed on a DC 15 Dexterity saving throw
as much damage on a successful one.The terrors known as spiderdragons were first found in the deepest corners of the Underdark and trace their origins to black dragon wyrmlings who ate a steady diet
Monsters
Waterdeep: Dungeon of the Mad Mage
Assassinate. During its first turn, the assassin has advantage on attack rolls against any creature that hasn't taken a turn. Any hit the assassin scores against a surprised creature is a critical
advantage on Dexterity (Stealth) checks made to hide in swampy terrain.
Standing Leap. Torbit's long jump is up to 20 feet and its high jump is up to 10 feet, with or without a running start.Multiattack
Monsters
Strixhaven: A Curriculum of Chaos
that Y’demi can see within 15 feet of her. The effect lasts for 1 minute, during which time that area is difficult terrain. Any creature entering that area for the first time on a turn or
Monsters
Monstrous Compendium Vol. 4: Eldraine Creatures
uses this action again. When a creature other than the nightmare haunt enters the affected area for the first time or starts its turn there, the creature must succeed on a DC 14 Strength saving throw
is also considered difficult terrain for creatures other than the nightmare haunt for the duration of its effect.
A creature that starts its turn in the area and is already restrained by the tendrils
Monsters
Bigby Presents: Glory of the Giants
his children. But scions of giants’ gods boast a greater claim: they are Annam’s grandchildren, and they occupy a privileged place among giants. On some worlds, these scions ruled the first
. The cradle causes the ground in a 20-foot square within 90 feet of itself to sprout crystal spikes until the start of its next turn. The area becomes difficult terrain for the duration. A creature
Monsters
Monstrous Compendium Vol. 2: Dragonlance Creatures
.
The wall of briars lasts until the start of the Forest Master’s next turn. The wall blocks line of sight and counts as difficult terrain for all creatures except the Forest Master. The first time
Monsters
Mythic Odysseys of Theros
minute or until the overlord loses concentration (as if concentrating on a spell), and its area is lightly obscured and difficult terrain.
Any creature that moves into the area for the first time on a
Monsters
Princes of the Apocalypse
becomes difficult terrain. A creature that moves through the affected area takes 1d8;{"diceNotation":"1d8","rollType":"damage","rollAction":"Crystalline Spikes","rollDamageType":"piercing"} piercing
tremors"} rounds. At first, damage is minor — broken windows, cracked plaster, items toppled off shelves. The longer Ogrémoch remains, the stronger the tremors become. After 5 days, the
Monsters
The Book of Many Things
"} fire damage when it enters the ashes’ space for the first time on a turn or starts its turn there.
Aurnozci’s Lair
Aurnozci’s lair is a layer of the Abyss called Xulregg. See
difficult terrain. When the sphere appears, each creature in it must make a DC 20 Constitution saving throw, taking 16 (3d10);{"diceNotation":"3d10", "rollType":"damage", "rollAction":"Insect Swarm
Monsters
The Book of Many Things
storm is active, the area of the storm is difficult terrain. Whenever a creature enters the storm for the first time on a turn or starts its turn there, it must make a DC 19 Dexterity saving throw
Monsters
Candlekeep Mysteries
first time on a turn or starts its turn there must succeed on a DC 19 Constitution saving throw or be poisoned until the end of its next turn. The cloud lasts for 1 minute or until it is dispersed by a
a point on the ground that the lich can see within 120 feet of it. The lich is unaffected by the roots and vines. For all other creatures, the area becomes difficult terrain, and each creature in the
Monsters
Tales from the Yawning Portal
1 mile of the aboleth’s lair are slimy and wet and are difficult terrain.
Water sources within 1 mile of the lair are supernaturally fouled. Enemies of the aboleth that drink such water vomit
disappears.
If the aboleth dies, the first two effects fade over the course of 3d10;{"diceNotation":"3d10","rollType":"roll"} days.
Magic Items
Princes of the Apocalypse
feet of a wildfire for the first time on a turn or starts its turn there takes 3d6 fire damage.
Water Orb. When this orb detonates, it creates a torrential rainstorm that lasts for 24 hours. Within
the flood’s path is swept away. The flooding destroys crops and might trigger mudslides, depending on the terrain.
Monsters
Fizban's Treasury of Dragons
, allowing the wyrmlings to blend in to rocky terrain in the face of danger. As they age, their scales turn snow white, then slowly fade to transparency. The oldest crystal dragons have scales of perfect
live by.
7
I am always the first to offer a compliment.
8
Get off my snowfield, you immature bipeds! When I was a wyrmling, people respected their elders!
Crystal Dragon Ideals
Monsters
Quests from the Infinite Staircase
when it starts its turn inside the wall or when it enters the wall for the first time on a turn. The wall’s area is difficult terrain for a creature that isn’t grappled. The wall sinks
Backgrounds
Sword Coast Adventurer's Guide
only your tribe’s territory, but also the terrain and natural resources of the rest of the North. You are familiar enough with any wilderness area that you find twice as much food and water as
nomadic elves, the Harpers, and the priesthoods devoted to the gods of the First Circle.
Suggested Characteristics
Use the tables for the outlander background below as the basis for your
Backgrounds
Guildmasters’ Guide to Ravnica
vast, sprawling rubblebelts of broken terrain that civilized folk have long abandoned. You can find a suitable place for you and your allies to hide or rest in these areas. In addition, you can find
devoted to a sacred site in the midst of the rubblebelt.
5
My weapon is made from the first raktusk I ever hunted.
6
GrrrRRAAAAGGHH! [I will do anything to prove myself greater than my
Monsters
Waterdeep: Dungeon of the Mad Mage
terrain, polymorph
5th level (3 slots): Bigby's hand, geas, wall of force
6th level (2 slots): chain lightning, globe of invulnerability, programmed illusion
7th level (2 slots): finger of death
, however, Halaster is alert and attentive to the activities and preparations of all beings near him. He never willingly enters combat without first casting mage armor and mind blank on himself.As the
Monsters
Fizban's Treasury of Dragons
chamber, draped in illusion spells and protected by traps and magical alarms. When triggered, those alarms summon the dragon’s minions and allies first, followed by the dragon.
Underground River
conjures sludge-like moss that briefly covers surfaces in the lair. The ceiling, floor, and walls of the lair become difficult terrain until initiative count 20 on the next round.
Toxic Spores. The
Monsters
Fizban's Treasury of Dragons
the Crystal Dragon Wyrmling;wyrmlings to blend in to rocky terrain in the face of danger. As they age, their scales turn snow white, then slowly fade to transparency. The oldest crystal dragons have
the words I live by.
7
I am always the first to offer a compliment.
8
Get off my snowfield, you immature bipeds! When I was a wyrmling, people respected their elders!
Crystal
Monsters
Fizban's Treasury of Dragons
away in a more remote chamber, draped in illusion spells and protected by traps and magical alarms. When triggered, those alarms summon the dragon’s minions and allies first, followed by the
.
Mossy Sludge. The dragon conjures sludge-like moss that briefly covers surfaces in the lair. The ceiling, floor, and walls of the lair become difficult terrain until initiative count 20 on the next round
Monsters
Quests from the Infinite Staircase
the first inhabitants of the Nine Hells, predating even the arrival of Asmodeus, the plane’s foremost ruler. Long-lived devils and occult sages theorize Zargon and its kind were invaders from
lower affecting the targets end.
Sucking Slime. Zargon creates a 20-foot-radius puddle of slime on the ground centered on a point within the lair. The slime is difficult terrain, and each creature in
Monsters
Fizban's Treasury of Dragons
points, allowing the Crystal Dragon Wyrmling;wyrmlings to blend in to rocky terrain in the face of danger. As they age, their scales turn snow white, then slowly fade to transparency. The oldest
work—those are the words I live by.
7
I am always the first to offer a compliment.
8
Get off my snowfield, you immature bipeds! When I was a wyrmling, people respected their elders