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- Random Traps; Trap Effects
created: 2026-03-09T12:15:34.411-04:00
modified: 2026-03-09T12:15:34.411-04:00
published: 2026-03-09T12:15:34.411-04:00
tags: - ttrpg-cli/compendium/src/5e/dmg
cssclasses: - json5e-note
obsidianUIMode: preview
Random Traps; Trap Effects
Source: Dungeon Master’s Guide p. 297
Trap Effects
| dice: d100 | Effect |
|---|---|
| 1-4 | Magic missiles shoot from a statue or object |
| 5-7 | Collapsing staircase creates a ramp that deposits characters into a pit at its lower end |
| 8-10 | Ceiling block falls, or entire ceiling collapses |
| 11-12 | Ceiling lowers slowly in locked room |
| 13-14 | Chute opens in floor |
| 15-16 | Clanging noise attracts nearby monsters |
| 17-19 | Touching an object triggers a disintegrate spell |
| 20-23 | Door or other object is coated with contact poison |
| 24-27 | Fire shoots out from wall, floor, or object |
| 28-30 | Touching an object triggers a flesh to stone spell |
| 31-33 | Floor collapses or is an illusion |
| 34-36 | Vent releases gas: blinding, acidic, obscuring, paralyzing, poisonous, or sleep-inducing |
| 37-39 | Floor tiles are electrified |
| 40-43 | Glyph of warding |
| 44-46 | Huge wheeled statue rolls down corridor |
| 47-49 | Lightning bolt shoots from wall or object |
| 50-52 | Locked room floods with water or acid |
| 53-56 | Darts shoot out of an opened chest |
| 57-59 | A weapon, suit of armor, or rug animates and attacks when touched (see “Animated Objects” in the Monster Manual) |
| 60-62 | Pendulum, either bladed or weighted as a maul, swings across the room or hall |
| 63-67 | Hidden pit opens beneath characters (25 percent chance that a black pudding or gelatinous cube fills the bottom of the pit) |
| 68-70 | Hidden pit floods with acid or fire |
| 71-73 | Locking pit floods with water |
| 74-77 | Scything blade emerges from wall or object |
| 78-81 | Spears (possibly poisoned) spring out |
| 82-84 | Brittle stairs collapse over spikes |
| 85-88 | Thunderwave knocks characters into a pit or spikes |
| 89-91 | Steel or stone jaws restrain a character |
| 92-94 | Stone block smashes across hallway |
| 95-97 | Symbol |
| 98-100 | Walls slide together |
| ^trap-effects |