Dark Gift of Yog the Invincible

{
  "name": "Dark Gift of Yog the Invincible",
  "page": 193,
  "type": "Charm",
  "__prop": "reward",
  "source": "CoS",
  "entries": [
    "Yog's gift is one of physical resilience. This dark gift increases the beneficiary's hit point maximum by 30. This benefit lasts for 10 days, after which the dark gift vanishes.",
    "Oily black fur covers the beneficiary's face and body."
  ]
}