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Returning 35 results for 'beam barrier diffusing change reveals'.
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Cube of Force
Legacy
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Magic Items
Basic Rules (2014)
charges remaining, nothing happens. Otherwise, a barrier of invisible force springs into existence, forming a cube 15 feet on a side. The barrier is centered on you, moves with you, and lasts for 1
minute, until you use an action to press the cube's sixth face, or the cube runs out of charges. You can change the barrier's effect by pressing a different face of the cube and expending the requisite
Monsters
Tomb of Annihilation
transformed. It doesn't change form if it dies.
Innate Spellcasting (Yuan-ti Form Only). The yuan-ti's innate spellcasting ability is Charisma (spell save DC 13). The yuan-ti can innately cast the
+3","rollType":"damage","rollDamageType":"force"} force damage per beam), minor illusion, and poison spray
3/day: suggestion
Magic Resistance. The yuan-ti has advantage on saving throws against spells
Ancient Brass Dragon
Legacy
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Monsters
Basic Rules (2014)
damage or someone uses an action to wake it.
Change Shape. The dragon magically polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its true form. It
image from a distance can tell it’s an illusion with a successful DC 20 Intelligence (Investigation) check. Any physical interaction with an image reveals it to be an illusion, because objects pass
Deck of Many Things
Legacy
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Magic Items
Basic Rules (2014)
alteration, causing your alignment to change. Lawful becomes chaotic, good becomes evil, and vice versa. If you are true neutral or unaligned, this card has no effect on you.
Comet. If you single
ability to cast the wish spell 1d3 times.
Rogue. A nonplayer character of the GM's choice becomes hostile toward you. The identity of your new enemy isn't known until the NPC or someone else reveals
Magic Items
Lost Laboratory of Kwalish
spades
Rogue
Two of spades
Balance
Joker (with TM)
Fool
Joker (without TM)
Jester
Balance. Your mind suffers a wrenching alteration, causing your alignment to change for
identity of your new enemy isn’t known until the NPC or someone else reveals it. Any enchantment spell cast on the NPC at 6th level or higher can end the NPC’s hostility toward you.
Ruin
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
face has a different effect. If the cube has insufficient charges remaining, nothing happens. Otherwise, a barrier of invisible force springs into existence, forming a cube 15 feet on a side. The barrier
is centered on you, moves with you, and lasts for 1 minute, until you use an action to press the cube’s sixth face, or the cube runs out of charges. You can change the barrier’s effect by pressing a
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
face has a different effect. If the cube has insufficient charges remaining, nothing happens. Otherwise, a barrier of invisible force springs into existence, forming a cube 15 feet on a side. The barrier
is centered on you, moves with you, and lasts for 1 minute, until you use an action to press the cube’s sixth face, or the cube runs out of charges. You can change the barrier’s effect by pressing a
Compendium
- Sources->Dungeons & Dragons->Divine Contention
party to the Ethereal Plane. Before beginning his ritual, Gallio shows the characters the monsters held in his dimensional cells. He reveals that the planar beacon freezes any extraplanar beings caught
in its beam: to bring the monsters home, the characters must grab hold of them, then return to this world and imprison the monster inside one of his dimensional cells.
Compendium
- Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything
Exact Change Difficulty: Hard This puzzle provides an elaborate, coin-based lock to any sort of door, vault, or other barrier. The door here is locked and has no handle. Instead, there is a slot in
the door with an engraving above it that reads, “Insert exact change here.” Nearby, a wooden bowl of coins rests atop a wooden table.
The tabletop is engraved with nine squares in a three-by-three
Compendium
- Sources->Dungeons & Dragons->Locathah Rising
insufficient charges remaining, nothing happens. Otherwise, a barrier of invisible force springs into existence, forming a cube 15 feet on a side. The barrier is centered on you, moves with you, and lasts
for 1 minute, until you use an action to press the cube's sixth face, or the cube runs out of charges. You can change the barrier's effect by pressing a different face of the cube and expending the
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
Strength (Athletics) check. Characters can reach the belfry from inside using magic such as a spider climb or fly spell. Treasure. Close examination of the bell reveals that it’s thin sides are solid
can use them to detach the bell from the beam in 1 minute. Any creature under the bell when it falls must succeed on a DC 12 Dexterity saving throw to get out of the way, or take 14 (4d6) bludgeoning damage. The gold bell is worth 2,500 gp.
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
other means of seeing in the dark. Moonlight Mirrors Several areas in the vault contain objects known as moonlight mirrors, which each reflect a powerful beam of light from one of Krynn’s moons
damage. A Detect Magic spell reveals an aura of evocation magic emanating from the mirror. Unless covered, the reflective side of a moonlight mirror casts bright light in a 20-foot hemisphere, in the
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
to stone and placed here by Halaster to lure other adventurers to their doom (see “Pit Trap” below). Pit Trap A detect magic spell reveals an aura of transmutation magic around the pit. Each time
Dexterity saving throw, taking 88 (16d10) bludgeoning damage on a failed save, or half as much damage on a successful one. Creatures that are gaseous, amorphous (such as an ooze), or protected by an impenetrable magical barrier (such as that created by an Otiluke’s resilient sphere spell) take no damage.
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
quick to point out this anomaly, to prove to the characters that the maze is nothing to take lightly. The view from above reveals the maze as it exists in the real world. The view up the path from
ground level looks into the extradimensional space that Xonthal crafted as a barrier around his home. The tower’s entrance exists only within this extradimensional space. Entering the maze any other way
Compendium
- Sources->Dungeons & Dragons->Rise of Tiamat
are quick to point out this anomaly, to prove to the characters that the maze is nothing to take lightly. The view from above reveals the maze as it exists in the real world. The view up the path from
ground level looks into the extradimensional space that Xonthal crafted as a barrier around his home. The tower’s entrance exists only within this extradimensional space. Entering the maze any other
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
spells that completely change the way adventurers interact with the world. Their big, flashy spells are significant in combat — disintegrate, blade barrier, and heal, for example — but behind-the
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
door that opens into area 5d.
The statue holds five gold-painted stone coins in its outstretched hand. Close inspection reveals that one of the coins is loose and can be removed from the statue’s
hand. Engraved on each side of the loose coin is Halaster’s rune. A detect magic spell reveals an aura of abjuration magic around the coin, and an identify spell or similar magic reveals its magical
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
the high ground to the west. A frayed length of rope dances from its beam. The well-worn road splits here, and a signpost opposite the gallows points off in three directions: Barovia Village to the
your card reading reveals that a treasure is here, it is buried in one of the graves. For each grave the characters dig up, there’s a cumulative 10 percent chance of finding the treasure.
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
private thoughts and concerns. If the characters read Grin’s thoughts or compel him to speak using magic or torture, Grin reveals that he has misgivings about Vizeran’s plan. Though he has no
Demogorgon’s rampage through the city, he becomes even more reluctant to see Vizeran’s plan through (see “A Change of Heart” later in this chapter). If the characters prod Grin for information about
Compendium
- Sources->Dungeons & Dragons->Bigby Presents: Glory of the Giants
valley looks much like any other at first glance. A closer investigation reveals its anomalies: terrain features and structures in the valley that don’t make sense, many of which change from one visit to
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
depict ancient heroes. In actuality, the faces of the statues are stoic and expressionless, but whenever the lightning flashes, their expressions change to utter horror until the hall goes dark again
’ answers are always short and vague, and there is a 20 percent chance that a spirit’s answer is wrong. The stairs at the west end of the hall descend 40 feet to area K33. An open archway to the east reveals a tower landing beyond (part of area K20).
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
appearances, the walls and ceilings are still very much in place, and a true seeing spell or similar magic reveals them. A magic calendar stone in area 6k allows one to change the time of day, the weather
Compendium
- Sources->Dungeons & Dragons->Infernal Machine Rebuild
addition, twelve uncut rubies (worth 50 gp each) are being used as pieces for the board game. A successful DC 12 Wisdom (Perception) check reveals that the board resembles a partial map of the temple
, showing areas 1 to 22. Manipulating Time Having a mechanical guide spend 1 charge in this area causes the guards to change shifts, leaving for areas 4 and 5. Spending 2 charges also brings the
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
):
At will: dancing lights, guidance
1/day each: command, divination, greater restoration, hypnotic pattern, invisibility
Bonus Actions
Change Shape. The dragon magically transforms into any
attack.
Psionics (Costs 2 Actions). The dragon uses Psychic Step or Spellcasting.
Starlight Strike (Costs 3 Actions). The dragon releases a searing beam of starlight at a creature that it can see
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
: dancing lights, guidance
1/day each: command, divination, hypnotic pattern, lesser restoration
Bonus Actions
Change Shape. The dragon magically transforms into any creature that is Medium or Small
). The dragon uses Psychic Step or Spellcasting.
Starlight Strike (Costs 3 Actions). The dragon releases a searing beam of starlight at a creature that it can see within 60 feet of it. The target must succeed on a DC 17 Dexterity saving throw or take 31 (9d6) radiant damage.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dragon Heist
.” Don’t feel bound by an encounter chain. Let the characters’ decisions and actions drive the story. You can change the order in which encounters happen, remove encounters you don’t need, or create new
track: A friendly faction that has information about the whereabouts of the Stone of Golorr whereabouts can bring that knowledge to the characters. A treacherous underling of the villain reveals the
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
as the spellcasting ability (spell save DC 26, +18 to hit with spell attack):
1/day each: dispel magic, forcecage, plane shift, reverse gravity, time stop
Bonus Actions
Change Shape. The
its turn.
Claw. The greatwyrm makes one Claw attack.
Psionics (Costs 2 Actions). The greatwyrm uses Psychic Step or Spellcasting.
Psychic Beam (Costs 3 Actions). The greatwyrm emits a beam of
Compendium
- Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Light of Xaryxis
harvested from Xaryxis, our dying star. Once the crystal vines have drained all the energy from your world, they will discharge that energy in a beam of light back to Xaryxis, replenishing it.
“Xeleth
coalition, she bides her time, hoping the alliance will be strong enough to challenge her brother’s claim to the throne. What Xedalli Knows Given a chance, Xedalli reveals the following additional
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
, the trap triggers. Anyone who inspects the beams can easily determine that they are merely wedged in place. As an action, a character can knock over a beam, causing the trap to trigger. The ceiling
on the floor and walls. A spell or other effect that can sense the presence of magic, such as detect magic, reveals an aura of evocation magic around the statue. The trap activates when more than 20
Compendium
- Sources->Dungeons & Dragons->Lost Laboratory of Kwalish
journal is set with all manner of gears. A successful DC 12 Wisdom (Perception) check confirms that these are not just decorative, but appear to be set in some sort of working order. The same check reveals
Barrier Peaks to Daoine Gloine. In addition, the journal provides plentiful evidence of Kwalish’s fascination with extradimensional spaces, and talks about his hope of one day establishing a secure
Compendium
- Sources->Dungeons & Dragons->Strixhaven: A Curriculum of Chaos
puts the ruins on alert and activates the necromantic barrier described in area N2. A character who wants to sneak past the watchtower or climb its ladder undetected must succeed on a DC 13 Dexterity
, slashing, or thunder. The change in requisite damage type lasts until the end of the character’s next turn. N3. Wreckage The twisted wreckage of siege weapons litters the area. Ballistas, catapults
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
, facing south. Three more statues, unseen from this vantage point, are located under the hill in area E6.) A detect magic spell or similar magic reveals an aura of abjuration magic around each statue
pillars. Clearing the snow off the lid reveals an engraving of a brazier. You also notice a carving near the top of each pillar; from north to south, these images depict a twig, a pinecone, a flame, a
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
, Yinark. A detect magic spell reveals an aura of divination magic around it. A creature seated on the throne has advantage on Wisdom (Insight) checks. For information on Wyllow, see the “Wyllow” section at
floor.
Table. A beam of light shines down on a narrow, rectangular stone table in the middle of the room. On the table rests a wooden staff carved with floral motifs.
Wyllow dabbles in magic item
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3
stands a statue of a warrior. The stairs to the east, across the room, are partly obscured by shadow. The southern staircase is luminescent, appearing to change colors in the light.
Tucked into each nook
running out. Aura. A detect magic spell reveals an aura of evocation magic emanating from inside the crystal cylinder. The Right Path. To reach the “cure,” the characters must first face the
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
fireball but ends up prone. A character fails to intimidate a kobold prisoner, but the kobold reveals its secrets anyway while shrieking at the top of its lungs, alerting other nearby monsters. A
as these, try to make them obstacles and setbacks that change the nature of the adventuring situation. In exchange for success, players must consider new ways of facing the challenge. You can also use






