Scything Blade Trap

{
  "name": "Scything Blade Trap",
  "page": 114,
  "__prop": "trap",
  "effect": [
    "Each Medium or larger creature in a 5-foot-wide, 20-foot-long area must make a {@dc 15} Dexterity saving throw, taking 14 ({@damage 4d6}) slashing damage on a failed save, or half as much damage on a successful one."
  ],
  "rating": [
    {
      "tier": 2,
      "threat": "dangerous"
    }
  ],
  "source": "XGE",
  "entries": [
    "This trap uses moving blades that sweep down through a chamber, threatening anyone nearby. Typically, a scything blade trap is activated by manipulating a lever or some other simple device. Kobolds especially like this kind of trap, since it can take down bigger creatures."
  ],
  "trigger": [
    "When the lever is pulled, the trap activates."
  ],
  "trapHazType": "SMPL",
  "countermeasures": [
    "The lever isn't hidden. A successful {@dc 15} Wisdom ({@skill Perception}) check involving the surfaces in the trap's area of effect reveals scrape marks and bloodstains on the walls and floor. A successful {@dc 15} Dexterity check using {@item thieves' tools|phb} disables the lever."
  ]
}