If Phantoon is killed, hold right while wall jumping, jump just before the spikes and after them. Don't release jump while passing the spikes to prevent taking a hit.

Requires:

{
  "or": [
    {
      "obstaclesCleared": [
        "A"
      ]
    },
    "h_usePowerBomb"
  ]
}
{
  "haveBlueSuit": {}
}
{
  "or": [
    "canConsecutiveWalljump",
    "SpaceJump",
    "canLongIBJ"
  ]
}

Clears obstacles: A