Requires:

{
  "enemyDamage": {
    "enemy": "Kihunter (green)",
    "type": "contact",
    "hits": 1
  }
}
{
  "or": [
    "canCarefulJump",
    {
      "enemyDamage": {
        "enemy": "Kihunter (green)",
        "type": "contact",
        "hits": 1
      }
    }
  ]
}
{
  "enemyKill": {
    "enemies": [
      [
        "Kihunter (green)",
        "Kihunter (green)",
        "Kihunter (green)",
        "Kihunter (green)"
      ]
    ],
    "explicitWeapons": [
      "PowerBeam"
    ]
  }
}

Clears obstacles: C