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Sector 1 Reactor

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Sector 1 Reactor outside

Sector 1 Reactor from the outside.

The Sector 1 Reactor (壱番魔晄炉, Ichiban Makō-ro?) is one of the eight Mako Reactors built by the Shinra Electric Power Company to power the city of Midgar, appropriately found in Sector 1. Its layout is exactly the same as the Sector 5 Reactor. The Sector 1 Reactor is the northernmost reactor in Midgar, and is even referred to as the "Northern Reactor".


Spoiler warning: Plot and/or ending details follow. (Skip section)

The eco-terrorist group AVALANCHE, in an attempt to save the Planet from the corrupting ways of Shinra, attack the reactor. The attacking force is made up of five people: the leader Barret Wallace, and his men Biggs, Wedge and Jessie. Coming with them is the recently hired Cloud Strife. The team captures a train and uses it to break into the reactor grounds, which are heavily defended by Shinra guards.

Reactor Go BOOM!!!

The destruction of the Sector 1 Reactor.

The team fights their way down into the main generator, and prepares to put the charges in. Cloud has a brief flashback to the incident in Nibelheim and suffers a psychic disturbance. This is the first sign that Cloud is not all that he seems. Before the charges can be pulled, the robot Guard Scorpion attacks and is defeated by Cloud and Barret. With minutes remaining, AVALANCHE makes its way back up the way it came. The team escapes just before the reactor explodes, completely destroying it and causing massive destruction. Unknown numbers of civilians are killed in the explosion.

With their mission complete, AVALANCHE splits ways to avoid capture. During this time, Cloud first meets the flower girl, Aeris Gainsborough. But their meeting is brief, since Cloud must escape the guards hot on his tail. He kills or avoids the guards, and jumps onto the train that holds the other members of AVALANCHE on their way to their home base in Sector 7. Cloud would be paid 1,500 gil for his part in the successful attack.

Later in the game, when Shinra places the Sister Ray cannon within Midgar, seven reactors are seen working to charge up the cannon's blast. This shows that Shinra never rebuilt or repaired the reactor following the explosion.


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Main StaircaseEdit

Upper PipingEdit

Lower PipingEdit


Items FoundEdit

Enemy formationsEdit

Reactor No.1 - Connecting WalkwayEdit


Connecting Walkway battle background.

Reactor No.1 - Entrance (After Guard Scorpion is fought)Edit

Reactor No.1 - Main StaircaseEdit


Reactor battle background.

Reactor No.1 - Upper PipingEdit

Reactor No.1 - Lower PipingEdit

Reactor No.1 - CoreEdit


Core boss-battle background.

Musical ThemesEdit

"Opening ~ Bombing Mission" from Final Fantasy VII
Opening ~ Bombing Mission
Trouble with the audio sample?

Throughout the entire Sector 1 Reactor plays "Opening - Bombing Mission" (オープニング~爆破ミッション, Ōpuningu ~ Bakuha Misshon?). The theme was iconic enough that it was remixed several times, and later reappeared in Crisis Core -Final Fantasy VII-.

"Mako Reactor" plays inside the reactor itself, until the Guard Scorpion battle begins, where the background theme changes again to "Bombing Mission".

Other AppearancesEdit

Final Fantasy VII DemoEdit


Part fighting in the "Aeris" demo.

Main article: Final Fantasy VII Demo

The Sector 1 Reactor bombing mission is the setting for the two PlayStation demos of Final Fantasy VII. Two versions of the demo exist, often differentiated by the third playable character: Aeris or Tifa. The Aeris demo is of earlier build and still has many changes from the final version. The Tifa demo is closer to the playable segment in the full game. In the final game of course, neither girl is playable and only Cloud and Barret are in the player's party. Both demos end when AVALANCHE successfully escapes the exploding reactor.

Final Fantasy Record KeeperEdit

FFRK Mako Reactor No. 1 FFVII

Painting image.

A former member of SOLDIER has come to destroy one of the Mako Reactors--machines that harness the planet's Lifestream to generate power.

Mako Reactor No. 1 is the first dungeon available in Final Fantasy Record Keeper. Completion of this dungeon unlocks Mako Reactor No. 5 in the Final Fantasy VII realm.

Classic Dungeon
  • Difficulty: 1
  • Total Stamina: 3

  • Stamina: 3
  • Rounds: 4


  • MP
  • Smogger
  • Special Combatant
  • Sweeper
  • Guardian Scorpion (Boss)

Target Score:

  • Defeat the Guard Scorpion without being KO'd.

Elite Dungeon
  • Difficulty: 14
  • Total Stamina: 13

  • Stamina: 13
  • Rounds: 4


  • MP
  • Smogger
  • Special Combatant
  • Sweeper
  • Guardian Scorpion (Boss)

Target Score:

  • Defeat the Guard Scorpion without being KO'd.

Classic Rewards
Completion Type Item Quantity
Completion Reward Gil 700
Mastery Reward Black Mage 1
White Mage 1
First Time Completion Mythril 1
Stamina Shard 5
Elite Rewards
Completion Type Item Quantity
Completion Reward Gil 3,500
Mastery Reward Greater White Orb 5
Stamina Shard 1
First Time Completion Mythril 1
Stamina Shard 1



Sector 1 reactor

Cloud's ominous message.

  • During the mission Cloud has a moment where he breaks down and hears a voice that says, "This isn't just a reactor". In a scene that was scrapped from the final version of the game Cloud would have had a conversation with Sephiroth where Sephiroth would have explained what Mako Reactors really are. The "This isn't just a reactor" memory is a remnant of this deleted scene.

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