Shinecharging up the stairs gives a longer effective runway than shinecharging down them. Bounce down the stairs to make movement simpler. A frozen Atomic (or Covern) can be used for more runway.

Requires:

{"or": [
  {"and": [
    "can4HighMidAirMorph",
    {"doorUnlockedAtNode": 5},
    {"canShineCharge": {"usedTiles": 11, "steepUpTiles": 7, "openEnd": 2}}
  ]},
  {"and": [
    "h_frozenEnemyRunway",
    {"or": [
      "f_DefeatedPhantoon",
      {"and": [
        "SpaceJump",
        "h_trickyFrozenEnemyRunway"
      ]}
    ]},
    "can4HighMidAirMorph",
    {"doorUnlockedAtNode": 5},
    {"canShineCharge": {"usedTiles": 13, "steepUpTiles": 7, "openEnd": 1}}
  ]},
  {"canShineCharge": {"usedTiles": 10, "steepUpTiles": 7, "openEnd": 2}},
  {"and": [
    "h_frozenEnemyRunway",
    {"or": [
      "f_DefeatedPhantoon",
      {"and": [
        "SpaceJump",
        "h_trickyFrozenEnemyRunway"
      ]}
    ]},
    {"canShineCharge": {"usedTiles": 12, "steepUpTiles": 7, "openEnd": 1}}
  ]}
]},
"canChainTemporaryBlue",
"canXRayTurnaround"

Clears obstacles: C

Dev note: There is 1/2 a unusable tile in this runway.