Enter with enough speed to jump onto or over the item pedestal, morphing mid-air and then unmorphing into temporary blue.

Entrance condition:

{
  "comeInGettingBlueSpeed": {
    "length": 4,
    "openEnd": 0,
    "minExtraRunSpeed": "$1.2"
  }
}

Requires:

"canLongChainTemporaryBlue"

Exit condition:

{
  "leaveWithTemporaryBlue": {}
}

Unlocks doors:

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