Let the right hopper jump twice towards Samus. At the start of the second jump, jump above where the ground Dessgeega can jump but below where the ceiling enemy can reach. Mockball below the third hopper.

Requires:

"Morph"
{
  "or": [
    "canTrickyJump",
    {
      "and": [
        "h_canUsePowerBombs",
        "canCarefulJump",
        "canHitbox"
      ]
    }
  ]
}
"canMockball"
{
  "heatFrames": 210
}