Requires:

"Gravity"
{
  "or": [
    "SpaceJump",
    "canWalljump",
    "h_IBJFromSpikes",
    {
      "and": [
        "canIBJ",
        {
          "or": [
            "canLongIBJ",
            "canJumpIntoIBJ"
          ]
        },
        "canHBJ"
      ]
    },
    {
      "and": [
        "canDiagonalBombJump",
        "canLongIBJ"
      ]
    }
  ]
}