Run into the acid to quickly jump over the first pillar. Build speed and jump over the second pillar to mockball through the tunnel without taking much acid damage.

Entrance condition:

{
  "comeInRunning": {
    "speedBooster": "any",
    "minTiles": 3
  }
}

Requires:

"h_canNavigateHeatRooms"
"canMockball"
"HiJump"
"SpeedBooster"
"canCarefulJump"
"canWalljump"
{
  "or": [
    "canInsaneWalljump",
    {
      "acidFrames": 30
    }
  ]
}
{
  "heatFrames": 310
}
{
  "acidFrames": 5
}