Random Obstacles; Obstacles

TableDMGp. 2962014

Obstacles

d20Obstacle
1Antilife aura with a radius of 1d10 ร— 10 ft.; while in the aura, living creatures can't regain hit points
2Battering winds reduce speed by half, impose disadvantage on ranged attack rolls
3Blade barrier blocks passage
4-8Cave-in
9-12Chasm 1d4 ร— 10 ft. wide and 2d6 ร— 10 ft. deep, possibly connected to other levels of the dungeon
13-14Flooding leaves 2d10 ft. of water in the area; create nearby upward-sloping passages, raised floors, or rising sta irs to contain the water
15Lava flows through the area (50 chance of a stone bridge crossing it)
16Overgrown mushrooms block progress and must be hacked down (25 chance of a mold or fungus dungeon hazard hidden among them)
17Poisonous gas (deals 1d6 poison damage per minute of exposure)
18Reverse gravity effect causes creatures to fall toward the ceiling
19Wall of fire blocks passage
20Wall of force blocks passage
Raw data
{
  "name": "Random Obstacles; Obstacles",
  "page": 296,
  "rows": [
    [
      "1",
      "Antilife aura with a radius of {@dice 1d10 ร— 10} ft.; while in the aura, living creatures can't regain hit points"
    ],
    [
      "2",
      "Battering winds reduce speed by half, impose disadvantage on ranged attack rolls"
    ],
    [
      "3",
      "{@spell Blade barrier} blocks passage"
    ],
    [
      "4-8",
      "Cave-in"
    ],
    [
      "9-12",
      "Chasm {@dice 1d4 ร— 10} ft. wide and {@dice 2d6 ร— 10} ft. deep, possibly connected to other levels of the dungeon"
    ],
    [
      "13-14",
      "Flooding leaves {@dice 2d10} ft. of water in the area; create nearby upward-sloping passages, raised floors, or rising sta irs to contain the water"
    ],
    [
      "15",
      "Lava flows through the area ({@chance 50} chance of a stone bridge crossing it)"
    ],
    [
      "16",
      "Overgrown mushrooms block progress and must be hacked down ({@chance 25} chance of a mold or fungus dungeon hazard hidden among them)"
    ],
    [
      "17",
      "Poisonous gas (deals {@dice 1d6} poison damage per minute of exposure)"
    ],
    [
      "18",
      "Reverse gravity effect causes creatures to fall toward the ceiling"
    ],
    [
      "19",
      "{@spell Wall of fire} blocks passage"
    ],
    [
      "20",
      "{@spell Wall of force} blocks passage"
    ]
  ],
  "__prop": "table",
  "source": "DMG",
  "caption": "Obstacles",
  "chapter": {
    "name": "Random Dungeons",
    "index": 10,
    "ordinal": {
      "type": "appendix",
      "identifier": "A"
    }
  },
  "colLabels": [
    "d20",
    "Obstacle"
  ],
  "colStyles": [
    "col-2 text-center",
    "col-10"
  ]
}