Acheron Blade Longsword

{
  "dmg1": "1d8",
  "dmg2": "1d10",
  "name": "Acheron Blade Longsword",
  "page": 265,
  "type": "M|XPHB",
  "sword": true,
  "__prop": "item",
  "rarity": "rare",
  "source": "EGW",
  "weapon": true,
  "weight": 3,
  "dmgType": "S",
  "edition": "one",
  "entries": [],
  "mastery": [
    "Sap|XPHB"
  ],
  "baseItem": "longsword|xphb",
  "property": [
    "V|XPHB"
  ],
  "_baseName": "Longsword",
  "_category": "Specific Variant",
  "reqAttune": true,
  "_baseSrd52": true,
  "_baseValue": 1500,
  "_entryType": "weapon ({@item Longsword|Xphb})",
  "_textTypes": [
    "martial weapon",
    "melee weapon"
  ],
  "_attunement": "(Requires Attunement)",
  "_baseSource": "XPHB",
  "_isEnhanced": true,
  "bonusWeapon": "+1",
  "_fullEntries": [
    "The black blade of this sword is crafted from a mysterious arcane alloy. You gain a +1 bonus to attack and damage rolls made with this magic weapon. While the sword is on your person, you are immune to effects that turn undead.",
    {
      "name": "Dark Blessing",
      "type": "entries",
      "entries": [
        "While holding the sword, you can use an action to give yourself {@dice 1d4 + 4} temporary hit points. This property can't be used again until the next dusk."
      ]
    },
    {
      "name": "Disheartening Strike",
      "type": "entries",
      "entries": [
        "When you hit a creature with an attack using this weapon, you can fill the target with unsettling dread: the target has disadvantage on the next saving throw it makes before the end of your next turn. The creature ignores this effect if it's immune to the {@condition frightened} condition. Once you use this property, you can't do so again until the next dusk."
      ]
    },
    {
      "data": {
        "item__mergedEntryTag": "property"
      },
      "type": "wrapper",
      "wrapped": {
        "name": "Versatile",
        "type": "entries",
        "entries": [
          "A Versatile weapon can be used with one or two hands. A damage value in parentheses appears with the property. The weapon deals that damage when used with two hands to make a melee attack."
        ]
      }
    },
    {
      "data": {
        "item__mergedEntryTag": "mastery"
      },
      "type": "wrapper",
      "wrapped": {
        "name": "Mastery: Sap",
        "page": 214,
        "type": "entries",
        "source": "XPHB",
        "entries": [
          "If you hit a creature with this weapon, that creature has {@variantrule Disadvantage|XPHB} on its next attack roll before the start of your next turn."
        ]
      }
    }
  ],
  "_variantName": "Acheron Blade",
  "_entrySubType": "martial weapon, melee weapon",
  "genericVariant": {
    "name": "Acheron Blade",
    "source": "EGW"
  },
  "weaponCategory": "martial",
  "_valueFromRarity": 400000,
  "_baseFreeRules2024": true,
  "_attunementCategory": "Requires Attunement"
}