{
  "forEntity": "minecraft:wither",
  "traits": [
    {
      "type": "traitEffectResistance",
      "effectId": "*"
    },
    {
      "type": "traitHostile"
    },
    {
      "type": "traitImmunityFire"
    },
    {
      "type": "traitUndead"
    },
    {
      "type": "abilityFlight"
    }
  ]
}