Gain blue speed in the other room, jump through the transition, then speedball under the shutters.

Entrance condition:

{
  "comeInGettingBlueSpeed": {
    "length": 0,
    "openEnd": 1,
    "minExtraRunSpeed": "$0.E",
    "maxExtraRunSpeed": "$1.D"
  }
}

Requires:

"canSpeedball"
"canChainTemporaryBlue"
"canInsaneJump"

Exit condition:

{
  "leaveWithTemporaryBlue": {}
}

Unlocks doors:

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