123

Touch the item to overload PLMs then go through the crumble block and bomb block at the top of the shaft before exiting G-mode.

Requires:

"canGMode",
{"itemNotCollectedAtNode": 4},
"canRiskPermanentLossOfAccess",
"h_artificialMorphSpringBall",
{"or": [
  "canConsecutiveWallJump",
  "SpaceJump",
  {"and": [
    {"blueSuitShinecharge": {}},
    {"or": [
      {"shinespark": {"frames": 32, "excessFrames": 3}},
      {"and": [
        "HiJump",
        {"shinespark": {"frames": 29, "excessFrames": 3}}
      ]}
    ]}
  ]}
]},
{"or": [
  "h_ZebesIsAwake",
  {"notable": "G-Mode Flashing Lights"}
]}

Collects items: 4

Dev note: This will force Samus to pick up the item, so it can only be done once. Spring Ball is required, because Morph, Bombs, or a Power Bomb will allow other strats to be used instead.