Gift of the Protectors

{
  "name": "Gift of the Protectors",
  "page": 156,
  "__prop": "optionalfeature",
  "source": "XPHB",
  "entries": [
    "A new page appears in your Book of Shadows when you conjure it. With your permission, a creature can take an action to write its name on that page, which can contain a number of names equal to your Charisma modifier (minimum of one name).",
    "When any creature whose name is on the page is reduced to 0 {@variantrule Hit Points|XPHB} but not killed outright, the creature magically drops to 1 {@variantrule Hit Points|XPHB|Hit Point} instead. Once this magic is triggered, no creature can benefit from it until you finish a {@variantrule Long Rest|XPHB}.",
    "As a {@action Magic|XPHB} action, you can erase a name on the page by touching it."
  ],
  "featureType": [
    "EI"
  ],
  "prerequisite": [
    {
      "level": {
        "class": {
          "name": "Warlock",
          "source": "XPHB",
          "visibleStats": true
        },
        "level": 9
      },
      "optionalfeature": [
        "pact of the tome|xphb"
      ]
    }
  ]
}