To maximize frames remaining, gain a shinecharge while sliding off the ledge into the water.

Entrance condition:

{
  "comeInShinecharging": {
    "length": 8,
    "openEnd": 1,
    "steepUpTiles": 2
  }
}

Requires:

"Gravity"
"canShinechargeMovementComplex"

Exit condition:

{
  "leaveShinecharged": {
    "framesRemaining": 70
  }
}

Unlocks doors:

{"types":["super"],"requires":[]}
{"types":["missiles","powerbomb"],"requires":["never"]}