Requires:

"Gravity"
{
  "or": [
    "HiJump",
    "canSpringBallJumpMidAir",
    "SpaceJump",
    "canIBJ"
  ]
}

Dev note: FIXME: It's possible to clip through the door with morph, xray, a super and a way to lure the crab, but its a precise and unforgiving freeze.