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Quadraxis is a giant robot and a boss in Metroid Prime 2: Echoes.


Quadraxis is giant spider-like Robot, with four legs, and a giant brain inside it's head.

Metroid Prime 2: Echoes

Quadraxis is one of the guardians, and debatibly the most powerful that serves the Emperor Ing. It is a three phase boss fight that test most, if not all of Samus' skills, while at the same time dealing with the toxic atmosphere.

Phase 1

In the 1st Phase, Samus has to shoot at all four of Quadraxis's legs while avoiding its spin attack, machine guns, and other attacks. After all four of its legs are destroyed, its body collapses to the ground, but its head disconnects itself from the body and tries to kill Samus.

Phase 2

On the Second Phase, Quadraxis's head tries to kill Samus, so Samus has to use the Echo Visor to sever all the Connections between Quadraxis's body and head. When the link is destroyed, Quadraxis will try to re-connect the links. It will also summon Dark Quad Robots to defend itself. When all the connections are destroyed, Quadraxis somehow is still active, which begins the third and final Phase.

3rd & Final Phase

In this final phase, Samus must attack Quadraxis until it is stunned. When it is stunned, Samus morphs into a ball and uses Spider-Ball Track to jump onto Quadraxis. Samus then processes by bombing the head twice at very specific areas. After that areas are destroyed, Quadraxis is finally destroyed and granting Samus the Annihilator Beam.

Metroid Villains


Metroid | Space Pirates | Kraid | Ridley | Mother Brain

Metroid: Zero Mission
King Worm | Imago | Ruins Test | Ridley Robot

Metroid II: Return of Samus
Alpha Metroid | Gamma Metroid | Zeta Metroid | Omega Metroid | Queen Metroid

Super Metroid
Phantoon | Draygon

Metroid: Other M
The Deleter | Vorash | Ridley | Nightmare | Melissa Bergman

Metroid Fusion
X Parasites | B.O.X. | Nettori | Nightmare | Neo-Ridley | SA-X | Omega Metroid

Metroid Prime
Parasite Queen | Flaahgra | Thardus | Omega Pirate | Meta Ridley | Metroid Prime

Metroid Prime 2: Echoes
Dark Samus | Amorbis | Chykka | Quadraxis | Emperor Ing

Metroid Prime 3: Corruption
Omega Ridley

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