Charm of Greater Conscription

RewardBGDIAp. 2152014

While you have this charm, you attract flies. As an action, you activate this charm to summon a horned devil. This devil appears in an unoccupied space within 30 feet of you, obeys your commands begrudgingly, and serves you under protest for 9 days or until it dies, whereupon it disappears. When the devil disappears, this charm vanishes from you.

Raw data
{
  "name": "Charm of Greater Conscription",
  "page": 215,
  "type": "Charm",
  "__prop": "reward",
  "source": "BGDIA",
  "entries": [
    "While you have this charm, you attract flies. As an action, you activate this charm to summon a {@creature horned devil}. This devil appears in an unoccupied space within 30 feet of you, obeys your commands begrudgingly, and serves you under protest for 9 days or until it dies, whereupon it disappears. When the devil disappears, this charm vanishes from you."
  ]
}