With Morph: Morph on the small ledge left of the Zeb spawner. After a Zeb starts moving horizontally, quickly unmorph and freeze it. After it thaws, refreeze it once it is in the correct position. Without Morph: Freeze the Zeb as it is rising. When it is close to thawing, walk into the spikes and continue to walk into the wall to prevent a vertical damage boost. Freeze the Zeb after it thaws, noting that it will rise one pixel relative to its first frozen location.

Requires:

{
  "or": [
    "Morph",
    {
      "and": [
        "canTrickyEnemyExtendRunway",
        "canTrickyJump",
        {
          "thornHits": 2
        }
      ]
    }
  ]
}
"h_canFrozenEnemyRunway"

Exit condition:

{
  "leaveWithRunway": {
    "length": 7,
    "openEnd": 0
  }
}