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The Quads were a type of combat droid invented by O-Lir and used by the Luminoth to guard the Sanctuary Fortess. Quads were made up of two parts: the flying Command Module and the four-legged Main Body. In Metroid Prime 2: Echoes, both parts of the robot were scannable as different parts. Quadraxis, the Guardian of the Ing Hive, is based on the design of these mechanisms. Dark Quads also exist, Quads that were possessed by the Ing Horde. The Quad robots, along with many other robots, went rogue after the Ing took control and will harm any non-robotic being that comes near, including Samus and the Luminoth.


A Quad robot comes in two halves, the Command Module and the Main Body. When encountered, these two are connected, and can attack together. Either one can be destroyed individually, and the other will continue to fight.

The Main BodyEdit


Samus Aran faces a spinning Quad.

Whether attached or alone, the main body attacks in two ways. First, it can simply swing its legs at an enemy that is within range. Its main mode of attack, though, is to unleash a rapid vortex spin and attempt to charge its target. After using this attack, it will need to vent the excess heat this generates, standing still for several seconds and opening up a small panel on its underside. This panel can be damaged by a Bomb, or by a Boost attack. The spinning attack can also be interrupted without taking any damage by boosting into it before it attacks.

The Command ModuleEdit

When mounted on the Main Body, the Command Module can fire a powerful beam at its targets. After using this beam, the Main Body will fall stationary and need to vent the heat generated, similar to its spin attack. It can be easily destroyed while still attached to the main body. However, if the main body is destroyed first, the Command Module will detach and float into the air. In this state, it can form polarized shields around itself, with either light energy or dark. These shields are quite durable, but vulnerable to beams of the opposite polarity. It will occasionally shift the polarity of its shields. It will also fire energy pulses at its target; without the channeling of the Main Body, it can't use the sustained beam.

It should be noted that if undamaged bodies are still present when the Command Module detaches, it will avoid direct engagements in favor of moving as quickly as possible to an unoccupied body and attaching to it.


Logbook entriesEdit

Quad MB

Temporary scan

Mechanism: Quad MB
Rogue combat drone.
Main Body specializes in close combat. Lower venting system can be damaged by concussive attacks. Boost attack can disrupt its vortex spin.

Logbook entry

A Quad is formed of two components: the quadruped Main Body and the flying Command Module. The units can function independently, or linked together, as the need arises. The Main Body uses melee attacks in battle. Though durable, it needs to vent excess heat from its body. When this happens, it exposes a venting system vulnerable to concussive blasts.

Quad CM

Temporary scan

Mechanism: Quad CM
Rogue combat drone.
Command Module relies on ranged attacks. Beam shield can be breached by opposite-polarity systems.

Logbook entry

A Quad is formed of two components: the quadruped Main Body and the flying Command Module. The units can function independently, or linked together, as the need arises.


  • Upon entering the Sanctuary Temple for the first time, should Samus shoot one of the two Quads found in the chamber before leaping down and activating the cutscene, the targeted Quad will go after her as soon as she lands. This can prevent it from being possessed while its partner is. This makes this one of the few, if only, rooms where both a dark and light counterpart of the same enemy can exist at the same time. Neither attack the other, either due to it not being programmed into the game or more likely due to the rogue machines being in league with the Ing. Interestingly, should Samus destroy the body of one and the head of the other, the remaining parts will still combine, forming a hybrid of both light and dark entities.
  • In the code of the Metroid Prime 2: Echoes Bonus Disc, the Quad is referred to as a Splitter.
  • The quad bears a slight resemblance to the Vulture Droid of Star Wars, particularly in terms of the overall body shape and detachable head.


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