Jump into the room and morph along the ceiling to maximize distance. Unmorph while entering the spikes to minimize knockback Then build up speed and airball again to cross the spikes. With only a short runway available, high precision is required.

Entrance condition:

{
  "comeInRunning": {
    "speedBooster": true,
    "minTiles": 25
  }
}

Requires:

"canInsaneJump"
"canMomentumConservingMorph"
"canInsaneMidAirMorph"
"canUseIFrames"
{
  "spikeHits": 1
}