Spirit Dragon

{
  "name": "Spirit Dragon",
  "__prop": "legendaryGroup",
  "source": "FRAiF",
  "regionalEffects": [
    "The region containing an adult or ancient spirit dragon's lair is changed by its presence, creating the following effects:",
    {
      "type": "list",
      "items": [
        {
          "name": "Enchanted Acoustics",
          "type": "item",
          "entries": [
            "Creatures within 1 mile of the lair have Advantage on Charisma ({@skill Performance|XPHB}) checks that involve singing or playing music. Creatures other than the dragon and its allies in that area have Disadvantage on saving throws to avoid or end the Charmed condition."
          ]
        },
        {
          "name": "Time Distortion",
          "type": "item",
          "entries": [
            "While within 1 mile of the lair, creatures age at one-tenth the usual rate."
          ]
        }
      ],
      "style": "list-hang-notitle"
    },
    "If the dragon dies or moves its lair elsewhere, these effects end immediately."
  ]
}