Enter the room with a blue speed jump to speedball through the spike tunnel. Then perform a long temporary blue chain across the room.

Entrance condition:

{
  "comeInBlueSpinning": {
    "maxExtraRunSpeed": "$1.E",
    "unusableTiles": 1
  }
}

Requires:

"canSpeedball"
"canLongChainTemporaryBlue"

Exit condition:

{
  "leaveWithTemporaryBlue": {}
}

Unlocks doors:

{"types":["ammo"],"requires":[]}