Zargon the Returner

{
  "name": "Zargon the Returner",
  "__prop": "legendaryGroup",
  "source": "QftIS",
  "lairActions": [
    "On initiative count 20 (losing initiative ties), Zargon can take one of the following lair actions; it can't take the same lair action two rounds in a row:",
    {
      "type": "list",
      "items": [
        {
          "name": "Dissolution",
          "type": "item",
          "entry": "Zargon dissolves into a glob of slime, seeps to an unoccupied space anywhere in the lair without provoking opportunity attacks, then re-forms."
        },
        {
          "name": "Spell Breaker",
          "type": "item",
          "entry": "Zargon targets up to two creatures it can see within the lair. All spells of 5th level or lower affecting the targets end."
        },
        {
          "name": "Sucking Slime",
          "type": "item",
          "entry": "Zargon creates a 20-foot-radius puddle of slime on the ground centered on a point within the lair. The slime is difficult terrain, and each creature in that area when the slime appears has the grappled condition (escape {@dc 15}). Aberrations and Oozes are unaffected by the slime. The slime lasts until Zargon dies or until it uses this lair action again."
        }
      ],
      "style": "list-hang-notitle"
    }
  ],
  "regionalEffects": [
    "The region containing Zargon's lair is warped by Zargon's unnatural presence, creating one or more of the following effects:",
    {
      "type": "list",
      "items": [
        {
          "name": "Arcane Enervation",
          "type": "item",
          "entry": "Enemies of Zargon within 1 mile of the lair have disadvantage on saving throws made to maintain concentration."
        },
        {
          "name": "Corrupted Water",
          "type": "item",
          "entry": "Rain and water sources within 1 mile of the lair are tainted. A creature that drinks the water must succeed on a {@dc 15} Constitution saving throw or have the poisoned condition until it finishes a long rest."
        },
        {
          "name": "Eerie Weather",
          "type": "item",
          "entry": "The area within 10 miles of the lair experiences strange weather patterns that defy the region's typical climate."
        }
      ],
      "style": "list-hang-notitle"
    },
    "If Zargon dies, these effects fade over the course of {@dice 1d10} days."
  ]
}