Dragon Sensing Longsword

{
  "dmg1": "1d8",
  "dmg2": "1d10",
  "name": "Dragon Sensing Longsword",
  "page": 90,
  "type": "M",
  "__prop": "item",
  "rarity": "unknown (magic)",
  "source": "PotA",
  "weight": 3,
  "dmgType": "S",
  "entries": [
    "This +1 longsword is made of dragon bone and with a dragon-leather grip. It has rubies in its pommel and hilt. The sword grows warm and the rubies glow slightly when the sword is within 120 feet of a dragon."
  ],
  "baseItem": "longsword|phb",
  "property": [
    "V"
  ],
  "_category": "Other",
  "_entryType": "weapon ({@item Longsword|Phb})",
  "_textTypes": [
    "martial weapon",
    "melee weapon"
  ],
  "_attunement": null,
  "_isEnhanced": true,
  "bonusWeapon": "+1",
  "_fullEntries": [
    "This +1 longsword is made of dragon bone and with a dragon-leather grip. It has rubies in its pommel and hilt. The sword grows warm and the rubies glow slightly when the sword is within 120 feet of a dragon.",
    {
      "data": {
        "item__mergedEntryTag": "property"
      },
      "type": "wrapper",
      "wrapped": {
        "name": "Versatile",
        "type": "entries",
        "entries": [
          "This weapon can be used with one or two hands. A damage value in parentheses appears with the property—the damage when the weapon is used with two hands to make a melee attack."
        ]
      }
    }
  ],
  "_entrySubType": "martial weapon, melee weapon",
  "weaponCategory": "martial",
  "_attunementCategory": "No Attunement Required"
}