Where is the Missile Expansion in Fungal Hall Access (Metroid Prime Origins)?

The Missile Expansion is in Fungal Hall Access, Phazon Mines. To get there you need Missile Expansion, Space Jump, Morph Ball, Power Bomb Expansion, Morph Ball Bomb, Charge Beam, Varia Suit, Wave Beam, Boost Ball, Super Missile, Spider Ball, Ice Beam, Grapple Beam, Plasma Beam first (starting a new game).

What you need first

Starting a new game from Landing Site, get these first, in this order, then go to Fungal Hall Access (180 rooms in all):

1. Missile Expansion in Landing Site (0 rooms; needed for Missile Expansion (Missile))
2. Space Jump in Alcove (1 room; needed for Missile Expansion (Space Jump Boots))
3. Morph Ball in Ruined Shrine (10 rooms; needed for Missile Expansion (Morph Ball))
4. Power Bomb Expansion in Magma Pool (6 rooms; needed for Missile Expansion (Power Bomb))
5. Morph Ball Bomb in Burn Dome (11 rooms; needed for Missile Expansion (Morph Ball Bomb))
6. Charge Beam in Watery Hall (7 rooms; needed for Wave Beam (Charge Beam))
7. Varia Suit in Sunchamber (7 rooms; needed for Wave Beam (Varia Suit))
8. Wave Beam in Chapel of the Elders (20 rooms; needed for Ice Beam (Wave Beam))
9. Boost Ball in Phendrana Canyon (8 rooms; needed for Ice Beam (Boost Ball))
10. Super Missile in Observatory (10 rooms; needed for Spider Ball (Super Missile))
11. Spider Ball in Quarantine Cave (9 rooms; needed for Ice Beam (Spider Ball))
12. Ice Beam in Antechamber (39 rooms; needed for Missile Expansion (Ice Beam))
13. Grapple Beam in Storage Depot B (18 rooms; needed for Missile Expansion (Grapple Beam))
14. Plasma Beam in Plasma Processing (15 rooms; needed for Missile Expansion (Plasma Beam))

Last stretch

From Plasma Processing, door by door:

1. Plasma Processing: go through the door to Geothermal Core → Geothermal Core (Plasma Door; needs Plasma Beam)
2. Geothermal Core: go through the door to South Core Tunnel → South Core Tunnel
3. South Core Tunnel: go through the door to Magmoor Workstation → Magmoor Workstation (Wave Door; needs Wave Beam)
4. Magmoor Workstation: go through the door to Workstation Tunnel → Workstation Tunnel
5. Workstation Tunnel: go through the door to Transport to Phazon Mines West → Transport to Phazon Mines West (Ice Door; needs Ice Beam)
6. Transport to Phazon Mines West: take the elevator → Transport to Magmoor Caverns South assumed
7. Transport to Magmoor Caverns South: go through the door to Transport Access → Transport Access (Ice Door; needs Ice Beam)
8. Transport Access: go through the door to Phazon Processing Center → Phazon Processing Center (Ice Door; needs Ice Beam)
9. Phazon Processing Center: go through the door to Maintenance Tunnel → Maintenance Tunnel (Ice Door; needs Ice Beam)
10. Maintenance Tunnel: go through the door to Elite Control → Elite Control (Ice Door; needs Ice Beam)
11. Elite Control: go through the door to Ventilation Shaft → Ventilation Shaft (Ice Door; needs Ice Beam)
12. Ventilation Shaft: go through the door to Omega Research → Omega Research (Ice Door; needs Ice Beam)
13. Omega Research: go through the door to Dynamo Access → Dynamo Access (Ice Door; needs Ice Beam)
14. Dynamo Access: go through the door to Central Dynamo → Central Dynamo (Ice Door; needs Ice Beam)
15. Central Dynamo: go through the door to Quarantine Access A → Quarantine Access A (Ice Door; needs Ice Beam)
16. Quarantine Access A: go through the door to Metroid Quarantine A → Metroid Quarantine A (Wave Door; needs Wave Beam)
17. Metroid Quarantine A: go through the door to Elevator Access B → Elevator Access B (Ice Door; needs Ice Beam)
18. Elevator Access B: go through the door to Elevator B → Elevator B (Plasma Door; needs Plasma Beam)
19. Elevator B: go through the door to Fungal Hall Access → Fungal Hall Access (Plasma Door; needs Plasma Beam)

More Missile Expansions

• Missile Expansion (Burn Dome)
• Missile Expansion (Crossway)
• Missile Expansion (Dynamo)
• Missile Expansion (Dynamo)
• Missile Expansion (Furnace)
• Missile Expansion (Gathering Hall)
• Missile Expansion (Hive Totem)
• Missile Expansion (Main Plaza)
• Missile Expansion (Main Plaza)
• Missile Expansion (Main Plaza)
• Missile Expansion (Ruined Fountain)
• Missile Expansion (Ruined Gallery)
• Missile Expansion (Ruined Gallery)
• Missile Expansion (Ruined Nursery)
• Missile Expansion (Ruined Shrine)
• Missile Expansion (Ruined Shrine)
• Missile Expansion (Training Chamber Access)
• Missile Expansion (Vault)
• Missile Expansion (Watery Hall)
• Missile Expansion (Watery Hall Access)
• Missile Expansion (Fiery Shores)
• Missile Expansion (Storage Cavern)
• Missile Expansion (Triclops Pit)
• Missile Expansion (Elite Control Access)
• Missile Expansion (Elite Research)
• Missile Expansion (Fungal Hall B)
• Missile Expansion (Main Quarry)
• Missile Expansion (Metroid Quarantine A)
• Missile Expansion (Metroid Quarantine B)
• Missile Expansion (Phazon Processing Center)
• Missile Expansion (Security Access A)
• Missile Expansion (Frost Cave)
• Missile Expansion (Gravity Chamber)
• Missile Expansion (Ice Ruins East)
• Missile Expansion (Ice Ruins East)
• Missile Expansion (Phendrana Shorelines)
• Missile Expansion (Phendrana Shorelines)
• Missile Expansion (Quarantine Monitor)
• Missile Expansion (Research Lab Aether)
• Missile Expansion (Research Lab Hydra)