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Junon Underwater Reactor

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Underwater reactor

Underwater Reactor.

The Junon Underwater Reactor (海底魔晄炉, Kaitei Makō-ro?) is a location in Final Fantasy VII. It is a Mako Reactor built underwater off the coast of Junon and provides power for Junon. It is a massive complex, going down to the bottom of the ocean floor and only accessible from a pathway in the center of Junon. The Underwater Reactor is also home to Shinra's submarine base.



A newly stable Cloud Strife and his party storm the reactor in order to grab a Huge Materia before Shinra can use it. They fight their way down to the submarine dock, but the Turks manage to store the Materia onto a submarine before the party can reach it. To catch it, the party steals a submarine and chases after them. If the player wins the submarine minigame, the Huge Materia can be found on the Bottom of the Sea.

Items FoundEdit

Hugemateria underwater location

The location of the Huge Materia on the seafloor.

Enemy formationsEdit

Junon Path - 1st CorridorEdit

Junon Path - Submarine DockEdit

Junon Path - 2nd and 3rd CorridorsEdit


Battle background.

Underwater PipeEdit

Underwater Reactor - Corridor (Save Point)Edit


Battle background.

Underwater Reactor - Reactor ChamberEdit

Underwater Reactor - Submarine DockEdit

Underwater Reactor - SubmarineEdit

Musical ThemesEdit

"Mako Reactor"
FFVII - Mako Reactor
Trouble with the audio sample?

In the upper levels of the reactor plays "Hurry!" (急げ!, Isoge!?), but after descending down the elevator into the water tunnel, "In Search of the Man in Black" (黒マントの男を追え, Kuro Manto no Otoko o Oe?) plays. After finally taking one more elevator down and reaching the reactor proper, "Mako Reactor" (魔晄炉, Makō Ro?) plays. Once the Huge Materia is discovered, "Hurry!" plays once again, and continues until the party leaves the reactor.


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