Quadraxis

Quadraxis Artwork of Samus battling Quadraxis

Game(s) Metroid Prime 2: Echoes Attacks Annihilator Beam Shock Waves Missiles Tornado Attack Turret Dark Quads Weakness(es) Light Beam Super Missiles Bombs Location(s) Ing Hive Room(s) Hive Temple Rewards Annihilator Beam

Quadraxis is an enormous, quadrupedal mechanoid built by the Luminoth. It serves as the Guardian of the Ing Hive's Energy Controller. During her battle against it, Samus constantly takes damage from Dark Aether's atmosphere due to a lack of Safe Zones.

Although Samus only encounters one Quadraxis unit, there are parts to an incomplete unit at Aether's Sanctuary Temple.

Quadraxis has a similar design to Quads, sharing several abilities. Quadraxis's version of the spin attack sucks in any nearby objects. The Head Module is also capable of functioning without the main body, with limited capacity.

After defeating Quadraxis, Samus can obtain the Annihilator Beam.

Battle

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Quadraxis becoming possessed

Shortly after Samus enters the Hive Temple, Quadraxis is possessed by an Ing and activates. Its legs will begin rotating around its body and occasionally one of its knees will become vulnerable. Even if Samus destroys the casing around a knee, it can still remain active. Once several knees are destroyed it will begin to use more powerful attacks such as the Disruptor or its tornado attack.

Its primary weapon is the Annihilator Beam which it will use to fire both normal and Disruptor blasts. Samus can evade the Disruptor blast with the Boost Ball or use the Screw Attack to deflect it. If she fails to dodge it, she will become temporarily stunned. Quadraxis is also armed with homing Missiles and a rapid firing turret. Its legs are capable of creating shock waves, and although Samus can disable the generators, they will reactivate.

After its main body is disabled, the Head Module will detach and continue to engage Samus. The main body will send transmissions to the Head Module, instructing it remotely. While receiving signals, the Head will raise a impregnable shield. If Samus uses her Echo Visor, she can target the antenna on the main body to temporarily disable it, causing the shield to drop. She can then target the receivers on the Head Module. Each time a receiver is destroyed, the Head Module will send out Dark Quads.

After the three receivers are destroyed, the shield will drop and the Head Module will shatter the armor around the main body's legs, revealing Spider Ball Tracks beneath. The shield around the Head Module will also be permanently disengaged. After stunning it, Samus can climb the tracks and then Boost to the magnetically charged surface on the head. After dropping Bombs in the exposed vulnerabilities, the Head Module will crash into the ground and explode.

Data

Logbook

Logbook entry from Metroid Prime 2: Echoes: Quadraxis

First Location: Hive Temple	Limited Scan
The Quadraxis unit went rogue and entered the service of the Ing. Its primary weapon system fires destructive matter-antimatter blasts. It uses a powerful Missile battery for long-distance attacks. The Quadraxis is incredibly durable and well-armored, but its leg and foot joints are vulnerable. Damaging these joints will eventually render it immobile.

Logbook entry from Metroid Prime 2: Echoes: Damaged Quadraxis

First Location: Hive Temple	Limited Scan
Though the main body is disabled, the tactical control unit within it is still active. It will guide the Head Module in battle via high-sonic transmissions. Disabling this module will impair the Head Module's ability to fight.

Logbook entry from Metroid Prime 2: Echoes: Shielded Head Module

First Location: Hive Temple	Limited Scan
The Head Module of the Quadraxis is highly mobile and well armed. It is shielded by an impervious force field. Tactical commands are sent to the module from the crippled main body: sever this link to impair the Head Module's combat ability.

Logbook entry from Metroid Prime 2: Echoes: Stunned Head Module

First Location: Hive Temple	Limited Scan
Head Module is unable to receive tactical data. Force field offline. Unit is generating drones to defend itself while it attempts to restore tactical link to main body. Destroy sonic receptors on unit to prevent this.

Logbook entry from Metroid Prime 2: Echoes: Final Head Module

First Location: Hive Temple	Limited Scan
Module has lost its tactical link to the main body. Two points of structural weakness have been located on its hull: Morph Ball Bombs can cause damage to these areas. Scans indicate that the Spider Ball can attach to the Module's outer hull.

Scan Data

Scan Data from Metroid Prime 2: Echoes (Part of an incomplete Quadraxis)

Located in: Sanctuary Fortress

This is a component of an incomplete mechanoid. Design similarities exist between incomplete unit and the rogue mechanoids of Luminoth design found throughout this area.

Trivia

• Quadraxis is probably the largest boss Samus has ever fought. Other large bosses are Kraid, Flaahgra, Omega Pirate, Mogenar, Omega Ridley, and Amorbis.
• In an interview with IGN, Bryan Walker of Retro Studios stated that the battle against Quadraxis was his favorite moment in Metroid Prime 2: Echoes.

Gallery

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  Quadraxis awakens in the Ing Hive

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  A hologram of Quadraxis

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  Quadraxis Head Module separating from its body

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  Exposing the Spider Ball Tracks

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  The two weak points exposed

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  The damaged Quadraxis unit

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  Shielded Head Module

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  Final Head Module