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Returning 15 results for 'roof sphere'.
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Magic Items
Phandelver and Below: The Shattered Obelisk
You can use an action to place this 1-inch-diameter granite sphere on the ground and speak its command word, which is “petrification” in Terran. The sphere rapidly grows into a stout
tower that remains until you use an action to touch the tower and speak the command word again, whereupon the tower shrinks back to a 1-inch-diameter granite sphere. The tower must be empty to shrink in
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
Mudslick Tower Wondrous Item, Very Rare You can use an action to place this 1-inch-diameter granite sphere on the ground and speak its command word, which is “petrification” in Terran. The sphere
rapidly grows into a stout tower that remains until you use an action to touch the tower and speak the command word again, whereupon the tower shrinks back to a 1-inch-diameter granite sphere. The tower
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
Sample Traps The magical and mechanical traps presented here vary in deadliness and are presented in alphabetical order. Collapsing Roof Mechanical trap This trap uses a trip wire to collapse the
triggers the trap. Rolling Sphere Mechanical trap When 20 or more pounds of pressure are placed on this trap's pressure plate, a hidden trapdoor in the ceiling opens, releasing a 10-foot-diameter
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation Supplement
and succeeds on a DC 15 Intelligence (Investigation) check spots the nearly invisible glyph. When triggered, the glyph erupts with magical energy in a 20-foot-radius sphere centered on it. Each
rain-catching cistern on the roof. Next to the basin is a stone plug that can be used to keep the water from draining out through the hole in the bottom of the basin. Vestibule. The western door off
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
roof. It’s now overgrown with vines and creepers, but the structure is still solid.
The door is swollen shut and must be forced open with a successful DC 12 Strength (Athletics) check, but the
building is made from closely fitted stones and has a tile roof, but no windows. Portions of the wall are crumbling where tree roots are pushing the stones apart. Gouges and scars show where someone tried
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
nothing of interest. B4. Main Room This room contains lingering smells of burnt wood and flesh. You also catch the faint odor of wine. Snow has fallen through holes in the roof, then been pushed into
a 10-foot-radius sphere of incinerating golden radiance centered on the device. Each creature in the sphere must make a DC 17 Constitution saving throw, taking 90 (10d10 + 35) radiant damage on a
Compendium
- Sources->Dungeons & Dragons->Candlekeep Mysteries
action, causing it to turn into slime that flows away over 1 minute. A hole in the roof 30 feet above the statue of Sune (see below) offers another way in, and is just big enough for a Medium creature to
their minions passes over it. When triggered, the glyph splashes acid in a 20-foot-radius sphere centered on it—big enough to splatter the whole room and the central staircase, top to bottom. This
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
collapsing roof, the falling net, and the rolling sphere, a beholder can use its disintegration ray to blast a hole in the ceiling above its enemies, opening up a previously prepared chamber filled with mud
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a1
. The glyph is on the second page, and it’s triggered when someone opens to that page. Otherwise, the book is blank. If the glyph is triggered, it erupts with magical energy in a 20-foot-radius sphere
centered on the book. The sphere spreads around corners. Each creature in the area must make a DC 12 Dexterity saving throw. A creature takes 22 (5d8) cold damage on a failed saving throw, or half as
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
-foot-diameter crystal sphere rests on an ornate stand.
See appendix D for a description of the Ythryn mythallar and its magical properties. The first time a creature tries to attune to the mythallar
its interior walls. From atop the ruined roof, a character using rope can make a successful DC 15 Strength (Athletics) check as an action to catch onto the rotating chamber, which is a 40-foot-diameter
Compendium
- Sources->Dungeons & Dragons->Candlekeep Mysteries
domed roof of the cavern, softly pulsing with a mauve glow. Two humanoid figures lie suspended in the strands ten feet above the cavern floor, their flesh intertwined with the oozing tendrils.
This
the following melee weapon attack against a target of the DM’s choice: +10 to hit, reach 60 ft., one creature. Hit: 24 (6d6 + 3) acid damage. 3–4 Spores fill a 20-foot-radius sphere centered on a point
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
antigravity sphere. L8: Armory The two 20-foot-diameter antigravity spheres in this 30-foot-tall chamber serve as Landro’s hip sockets. Gaps in the floor and ceiling of each sphere grant access to the
creature can climb the notched walls inside the shaft only by succeeding on a DC 12 Strength (Athletics) check. From this area, the shaft stretches up 100 feet before terminating at the roof of Landro’s
Compendium
- Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus
false bottom rises and pulls the cork out of a thin glass vial hidden underneath it. The uncorked vial releases a cloud of poisonous gas that fills a 10-foot-radius sphere centered on the chest. The
square room with crisscrossing rafters ten feet overhead and a peaked roof above that. An empty bookcase dominates the west wall, and two filthy padlocked cages stand on the floor. Each cage holds a
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
and straps, personal possessions, and the following items distributed randomly: Four purses containing 6 sp each Three flasks of oil (3 sp each) A bag of seashells (no value) A solid quartz sphere
-filled cave, roughly circular and about seventy feet in diameter, connects to the sea through a passage. The passage is fifteen feet across at its widest point, and its roof is at most five feet
Compendium
- Sources->Dungeons & Dragons->Keys from the Golden Vault
, tugging or turning the knob causes the vial in the door to break, releasing a cloud of poisonous gas that fills a 10-foot-radius sphere centered on the door. The trap also triggers if the door is forced
upon her latest acquisition: Constantori’s Portrait. This tower chamber is lit by a pewter chandelier suspended from beams that support a conical roof. A cluttered writing desk and a padded chair are






