covers rules ground to have reason

Grease

Spells Player’s Handbook

Nonflammable grease covers the ground in a 10-foot square centered on a point within range and turns it into Difficult Terrain for the duration. When the grease appears, each creature standing in

Oil of Slipperiness

Magic Items Dungeon Master’s Guide

the oil takes 10 minutes. The affected creature then gains the effect of the Freedom of Movement spell for 8 hours. Alternatively, the oil can be poured on the ground as a Magic action, where it

covers a 10-foot square, duplicating the effect of the Grease spell in that area for 8 hours. This sticky, black unguent is thick and heavy, but it flows quickly when poured.

Eye and Hand of Vecna

Magic Items Dungeon Master’s Guide

damage on a failed save or half as much damage on a successful one. A creature reduced to 0 Hit Points by this damage is transformed into green slime (see chapter 3) that covers the ground in its

Wand of Wonder

Magic Items Dungeon Master’s Guide

. 61–64 Grass covers a 60-foot-radius circle of ground, with the center of that circle as close to the chosen point of origin as possible. Grass that’s already there grows to ten times its

Kadroth

Monsters Icewind Dale: Rime of the Frostmaiden

he's tight with Levistus. He rules the roost by sheer force of personality, though it chafes him that Hethyl Arkorran has more respect and influence within the cult. Kadroth doesn't involve Avarice

in cult affairs because he fears her spellcasting ability and her connection to the Arcane Brotherhood. She could take over the cult anytime she wanted, and Kadroth doesn't want to give her any reason

Boggle

Monsters Mordenkainen Presents: Monsters of the Multiverse

deep and covers the ground in the boggle’s space. The puddle is difficult terrain for all creatures except boggles and lasts for 1 hour. If the oil is slippery, any creature that enters the puddle

Guardian of Nature

Spells Xanathar's Guide to Everything

Tree. Primal Beast. Bestial fur covers your body, your facial features become feral, and you gain the following benefits: Your walking speed increases by 10 feet. You gain darkvision with a range

hair, and you gain the following benefits: You gain 10 temporary hit points. You make Constitution saving throws with advantage. You make Dexterity- and Wisdom-based attack rolls with advantage. While you are on the ground, the ground within 15 feet of you is difficult terrain for your enemies.

Scion of Thrym

Monsters Bigby Presents: Glory of the Giants

);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Glacial Upheaval"}. The scion digs its hands into the ground at a point it can see within 30 feet of itself and launches a magically conjured mass of

much damage and is pushed to the nearest unoccupied space outside the cylinder with no additional effects. At the start of the scion’s next turn, a mass of ice plummets to the ground on a point

Adult Lunar Dragon

Monsters Spelljammer: Adventures in Space

spent legendary actions at the start of its turn. Tail Attack. The dragon makes one Tail attack. Treacherous Ice. Magical ice covers the ground in a 20-foot radius centered on a point the dragon can

ancient or adult lunar dragon’s lair is warped by the dragon’s magic, which produces one or more of the following effects: Black Frost. A thin layer of black frost covers the ground

Ancient Lunar Dragon

Monsters Spelljammer: Adventures in Space

spent legendary actions at the start of its turn. Tail Attack. The dragon makes one Tail attack. Treacherous Ice. Magical ice covers the ground in a 20-foot radius centered on a point the dragon

covers the ground, which kills all ordinary plants growing within 6 miles of the lair if the dragon is ancient, or within 3 miles if the dragon is an adult. Haunting Moan. A haunting sound gets

Borthak

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

siphon heat from the ground. A borthak’s body is so efficient at pulling the heat from its surroundings that it can transform a small, temperate glen into a frigid, slushy bog. Native plants and

Riverine

Monsters Journeys through the Radiant Citadel

. The riverine conjures swampy ground that briefly covers the ground in a 20-foot square the riverine can see within 120 feet of itself. That area becomes difficult terrain until initiative count

Warforged Colossus

Monsters Eberron: Rising from the Last War

":"Eldritch Turret","rollDamageType":"force"} force damage, and if the target is a creature, it is knocked prone. Stomp. The colossus stomps one of its feet at a point on the ground within 20 feet of it

otherwise intact. “Karrnslayer” (Colossus WX-31) lost its legs but crawls through the Mournland, using its arms to drag its great bulk across the ground. It is always prone and can’t

Orcus Legacy

Monsters Out of the Abyss

creatures whose combined average hit points don’t exceed 500. These undead magically rise up from the ground or otherwise form in unoccupied spaces within 300 feet of Orcus and obey his commands

. A Taste of Undeath. Orcus casts chill touch (17th level). Creeping Death (Costs 2 Actions). Orcus chooses a point on the ground that he can see within 100 feet of him. A cylinder of swirling

Orcus

Monsters Mordenkainen Presents: Monsters of the Multiverse

creatures whose combined average hit points don’t exceed 500. These creatures magically rise up from the ground or otherwise form in unoccupied spaces within 300 feet of Orcus and obey his commands

Tail or Necrotic Bolt attack. Creeping Death (Costs 2 Actions). Orcus chooses a point on the ground that he can see within 100 feet of him. A cylinder of swirling necrotic energy 60 feet tall and

Avarice

Monsters Icewind Dale: Rime of the Frostmaiden

challenge, even when the odds are clearly stacked against her. Seeing other wizards as a threat, paranoia rules her life. Avarice has been a member of the Arcane Brotherhood for almost two years. She

the Monster Manual but is a fiend instead of a beast. Spellbook. Avarice’s spellbook has white leather covers and vellum pages. The tiefling’s personal sigil is burned into the front cover

Young Dragon Turtle

Monsters Fizban's Treasury of Dragons

dragon turtles for solid ground. Ancient dragon turtles might sleep for years or decades while floating along the surface of the ocean, enjoying the warmth of the sun and letting vegetation take root on

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

Devastation Orb

Magic Items Princes of the Apocalypse

batter it. The wind is strong enough to uproot weak trees and destroy light structures after at least 10 minutes of exposure. Otherwise, the rules for strong wind apply, as detailed in chapter 5 of the

effects, the spell is cast on the turn that the orb explodes. Fire Orb. When this orb detonates, it creates a dry heat wave that lasts for 24 hours. Within the area of effect, the rules for extreme heat

Dragon Turtle Wyrmling

Monsters Fizban's Treasury of Dragons

creature can be as large as an island— and indeed, legends suggest that many unwitting sailors wrecked at sea have mistaken slumbering dragon turtles for solid ground. Ancient dragon turtles might

characters, and use the Dragon Turtle Spellcasting table to help select spells for a spellcasting dragon. (Though the Monster Manual doesn’t explicitly include dragon turtles in the variant rules for

Unspeakable Horror (Aberrant Armor)