To kill the Rippers with a single Power Bomb without breaking the ledge, place the bomb just above the second Ripper.

Requires:

"h_usePowerBomb"
"canCarefulJump"
{
  "or": [
    "canWalljump",
    "canSpringBallJumpMidAir",
    "SpaceJump",
    {
      "and": [
        "HiJump",
        "canTrickyDashJump"
      ]
    },
    {
      "and": [
        "canJumpIntoIBJ",
        {
          "or": [
            "canStaggeredIBJ",
            "canDoubleBombJump"
          ]
        }
      ]
    }
  ]
}

Clears obstacles: B