Where is the Power Bomb Expansion in Fiery Shores (Metroid Prime Origins)?

The Power Bomb Expansion is in Fiery Shores, Magmoor Caverns. To get there you need Missile Expansion, Morph Ball, Morph Ball Bomb, Varia Suit 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 Fiery Shores (45 rooms in all):

1. Missile Expansion in Landing Site (0 rooms; needed for Power Bomb Expansion (Missile))
2. Morph Ball in Ruined Shrine (9 rooms; needed for Power Bomb Expansion (Morph Ball))
3. Morph Ball Bomb in Burn Dome (13 rooms; needed for Varia Suit (Morph Ball Bomb))
4. Varia Suit in Sunchamber (10 rooms; needed for Power Bomb Expansion (Varia Suit))

Last stretch

From Sunchamber, door by door:

1. Sunchamber: go through the door to Sun Tower Access → Sun Tower Access
2. Sun Tower Access: go through the door to Sun Tower → Sun Tower
3. Sun Tower: go through the door to Transport to Magmoor Caverns North → Transport to Magmoor Caverns North
4. Transport to Magmoor Caverns North: take the elevator → Transport to Chozo Ruins North assumed
5. Transport to Chozo Ruins North: go through the door to Burning Trail → Burning Trail
6. Burning Trail: go through the door to Lake Tunnel → Lake Tunnel
7. Lake Tunnel: go through the door to Lava Lake → Lava Lake
8. Lava Lake: go through the door to Pit Tunnel → Pit Tunnel
9. Pit Tunnel: go through the door to Triclops Pit → Triclops Pit
10. Triclops Pit: go through the door to Monitor Tunnel → Monitor Tunnel
11. Monitor Tunnel: go through the door to Monitor Station → Monitor Station
12. Monitor Station: go through the door to Shore Tunnel → Shore Tunnel
13. Shore Tunnel: go through the door to Fiery Shores → Fiery Shores

Also in Fiery Shores

• Missile Expansion

More Power Bomb Expansions

• Power Bomb Expansion (Magma Pool)
• Power Bomb Expansion (Ice Ruins West)
• Power Bomb Expansion (Security Cave)