Emperor Ing

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Emperor Ing
Emperor ing
The Emperor Ing's first form.
Species Ing
Homeworld Dark Aether
Death Killed by Samus Aran during her visit to Aether
Affiliation Ing Horde

The Emperor Ing was the main antagonist and penultimate boss in Metroid Prime 2: Echoes. The eldest and strongest of the Ing Horde, it resides in its personal sanctum within the depths of the Sky Temple. Being the very first Ing born from Dark Aether's creation, the Emperor Ing has been mutated and strengthened by Phazon energy and the stolen Light of Aether. It has the capability of manipulating both dark and light energy to create attacks that can eat away Energy Tanks of Samus' health in seconds. It is believed to be the guardian of Aether's Leviathan, which is believed to be the Sky Temple itself.

Phases of battleEdit

First phaseEdit

Emperor Ing 2nd phase

Emperor Ing's eye.

In its first form, the Emperor Ing resembles massive Inglet with Hunter Ing like tentacles. Samus can scan the Emperor's Body, Head, and Eye separately. To defeat the Emperor's first form, Samus must find a way to expose the creature's eye, which is its only vulnerable weak point. In order to bring down the Emperor's defenses, Samus must first deal with its tentacles, which it uses to attack Samus in various ways. The Emperor will try to whip Samus into the Phazon that lines the arena where it is fought, by swinging its tentacles around. The Emperor can use its tentacles to charge up and launch powerful energy spheres at Samus. It can also create miniature portals, through which it jabs its tentacles in an attempt to impale her. However, destroying a tentacle often leaves behind a power-up.

After Samus causes the Emperor to retract all of its tentacles, the creature's eye, which can be scanned separately from the rest of its body, will be temporarily exposed. The eye has two protective hemispheres rotating around it, and Samus must fire through the narrow break between them. Samus must lock onto and maneuver around the eye, as the protective hemispheres rotate around it constantly, alternating their direction erratically.

While its eye is exposed, the Emperor can fire a powerful laser from it, which can stun Samus and prevent her from shooting. This particular part of the battle is reminiscent of Spore Spawn from Super Metroid, where the boss's weak point is exposed for only a brief period of time. Eventually, the Emperor Ing will regenerate a protective covering for the eye, and sprout new tentacles. Throughout the battle, the Emperor Ing regrows its tentacles in varying numbers, until Samus finally deals enough damage to the Emperor's exposed eye. Any weapon can damage the eye, though the Sonic Boom seems to deal the most damage.

Second phaseEdit

Emperor Ing 3rd phase

Emperor Ing in its second phase.

In its second phase, the Emperor encases itself in an impermeable, magnetically-charged shell reminiscent of a Luminoth Energy Controller or an Ingclaw. This cocoon-like incarnation of the Emperor is covered in circular vents that immediately begin to expel a poisonous gas at the start of the battle, forcing Samus to scale the cocoon with the Spider Ball in order to avoid the purple fog covering the floor. In this stage, the Emperor is undergoing metamorphosis, and Samus, unable to cause any real damage to the pupating Emperor inside, must destroy the 11 vents on the cocoon. This can only be done by damaging the tentacles that emerge from within the vents as Samus draws near them, a difficult task to accomplish, as the tentacles whip around viciously and can actually dislodge her grip on the cocoon's surface. To make matters worse, Inglets in their liquid forms also emerge from the chrysalis and follow Samus around, often ganging up on her in groups. Samus must employ her Bombs to destroy the tentacles that emerge and fight off the Inglets that relentlessly attack.

The Inglets and tentacles are a blessing in disguise, as destroying these yields bountiful health and ammunition. Samus can use this time to fill up on much-needed health using Power Bombs to destroy multiple nuisances at once. It is possible to delay or speed up the Emperor's pupating process by strategically choosing when to bomb the vents from where tentacles emerge. As Samus destroys more tentacles, the vents begin to release more gas into the room, causing the height of the toxic, purple cloud to fluctuate and making anything beneath it extremely hard to see. At points, the gas rises to such a high level that only the small area near the cocoon's top is left uncovered. If Samus waits here for the miasma to recede, she will be safe from its damage, but will become easy prey for swarms of Inglet.

When destroyed, Inglets provide health and ammo in preparation for the next phase.

Once all 11 tentacles have been destroyed, the shell of the chrysalis breaks open, and the Emperor emerges in a mutated form.

Final phaseEdit

Emperor Ing Dark beam

Samus engages the mutated Emperor Ing.

In the Emperor Ing's final form, its heart has become unstable due to increased exposure to Phazon and the Light of Aether, exposing it to Samus. The extreme physical mutations have given the Emperor far more mobility than its previous forms; in this form, it is more insect/arachnid-like in appearance and bears a resemblance to a normal Warrior Ing only bigger with three large horns. The final form of the Emperor is the easiest to damage, but has the most devastating attacks. With a new health bar, the Emperor Ing's only weak spot is its very large heart, located inside a mouth-like opening which it can open and close at will.

When it closes its maw, Emperor Ing can change its heart's polarity to project a variety of beam attacks. While its heart is orange, it cannot project any attacks, but when it is purple, it can create a powerful beam of shadow energy that freezes on contact and causes heavy damage, and when it is white, it can generate "light holes" that project devastating lasers of pure white energy. To recover health, it can spawn Nightbarbs or a previously unencountered light-based creature, opposite to Nightbarbs, to consume as fodder. These can be destroyed by a mass area-affecting attack, such as the Sonic Boom, for plenty of pickups.

Emperor Ing can't be damaged when its heart is orange; Samus must find a way to make the Emperor change its heart's polarity, thereby making him vulnerable to one of her weapons. To do this, Samus can attack the Emperor's orange heart with any combination of beams. As direct hits are necessary, however, beams can deplete light and dark energy rather quickly. Super Missiles are the most effective way to force Emperor Ing to change its heart's polarity. Once the Emperor's heart changes polarity, it becomes vulnerable to a beam of the opposite polarity. When the Emperor's heart is white, it is vulnerable to the Dark Beam, and when its heart is purple, it is vulnerable to the Light Beam. The Annihilator Beam can hurt the Emperor in both cases. However, if it takes enough hits, the heart will revert to orange.

Emperor Ing Final phase

The Emperor is defeated.

The Emperor Ing's attacks include beam attacks reminiscent of Warrior Ing, and a shockwave-inducing jump move similar to the Jump Guardian encountered in Dark Agon. As the Emperor Ing's energy is depleted, it will begin to use a ramming attack, similar to Metroid Prime's. While the ram attack is hard to avoid, it is possible, and if Samus can manage to dodge it, the Emperor will run into a wall; it will stand stunned for a short time, revealing a small hole in its back, which is another viable exposure to its heart. The hole is most accessible when the Emperor Ing raises its foremost leg to the level of its maw.

When the Emperor Ing's energy is depleted, it dies, exploding into purple particles similar to the way in which Dark Samus does when defeated. The creature yields the last Light of Aether for the final Energy Controller. When Samus absorbs it, Dark Aether loses its stability and crumbles.

Logbook entriesEdit

Logbook entries
Emperor Ing Body "Morphology: Emperor Ing Body
Ruler of the Ing Horde.
Target is drawing energy from the unstable Energy Controller. Eliminating target's connection to the energy may be an effective strategy.
Bioscans indicate that this is the eldest, strongest Ing in the Horde, the alpha and the omega. It has absorbed enormous amounts of Phazon energy into its body, mutating itself in the process. Apparently this power is not enough for the creature, as it is now siphoning energy from the final Energy Controller."
Emperor Ing Head "Morphology: Emperor Ing Head
Ruler of the Ing Horde.
Target will form numerous tentacles to defend itself. Eliminate them to weaken its defenses.
Like its brethren, the Emperor Ing is a metamorph. It has molded itself around the precious Energy Controller, and will defend it to the death, using its own body as a shield and weapon. Destroy the tentacles it generates to weaken the creature and its defenses."
Emperor Ing Eye "Morphology: Emperor Ing Eye
Unstable Ing biomass.
Central eye is protected by a potent barrier shield. Shield does not provide complete coverage, however.
The Emperor Ing has exposed its main eye, from which it can fire powerful energy beams. It is protected by an energy shield, although not completely. The eye can be locked onto, but only direct shots will get past the shield."
Emperor Ing Chrysalis "Morphology: Emperor Ing Chrysalis
Regenerating Ing ruler.
Target's regen-shell is magnetically charged. Eleven weak points have been detected; target them with concussive blasts to shatter the regen-shell.
The heavily damaged Emperor Ing has entered a regenerative state inside a durable healing shell. Tactical scans have detected eleven weak points on the magnetically charged shell: Spider Ball travel is possible on the shell surface. Damage the weak spots with explosives to crack the shell and expose the enemy within."
Mutated Emperor Ing (NTSC version) "Morphology: Mutated Emperor Ing
Altered ruler of the Ing Horde.
Further Phazon mutation of the Emperor Ing has occured. The creature seems to only take damage when its heart is Light or Dark. Find a way to change the heart to one of these colors.
Further exposure to Phazon has mutated the Emperor Ing. It is now capable of shielding its vulnerable areas with energy barriers. Beams of opposite polarity can damage these barriers, however. Heavy damage to these barriers will cause them to drop, exposing the creatures weak spots. Target the weak spots to immobilize and damage the enemy."
Mutated Emperor Ing (PAL/Trilogy version) "Further exposure to Phazon has mutated the Emperor Ing. The creature's energized heart is unstable. Beams of opposite polarity can damage the heart. Overloading the heart with energy may cause it to exceed critical mass."


  • The Emperor Ing is the only boss in Metroid Prime 2: Echoes guarding the Light of Aether that does not reward Samus with a power-up after its defeat.
  • Strangely, it is possible to inflict severe damage to the Emperor Ing's final form by colliding into a certain location on the underside of its body when using the Screw Attack. This is best done when Emperor Ing jumps up, in which case Samus can Screw Attack under it if near enough to it.[1]
  • Interestingly, if Samus deals the final blow while the heart is purple, the resulting cutscene will show the Emperor dying with a white heart. This is likely because in an optimal battle, when Samus can deal maximum damage every time its hearts shifts, the final blow would be to a white-hearted Emperor Ing.[2]
  • The first scan that indicates the Emperor is the Ing's alpha and omega, and due to these being the first and last letters of the Greek alphabet, can be taken literally as the Emperor being the beginning and the end of the Ing. This is very fitting, considering it was the first of the Ing to exist and its defeat at the hands of Samus causes the destruction of its world and the entire race. This could also imply that it is a deity of the Ing, as God in the Christian Bible calls himself the "Alpha and Omega".
  • This is the music heard when battling the first and second forms of Emperor Ing: [3], and this is the music heard when battling the final form of Emperor Ing: [4].
  • The Emperor Ing is also similar to Sauron, the Lord of the Rings, from J.R.R. Tolkien's book series. The Emperor Ing and Sauron both are worshipped as deities and both use the form of an Eye as well as being the mortal enemies of two light races: Luminoth and Elves.
  • The fight with the Emperor Ing's first form is very similar to the fight vs. the Old God C'thun in World Of Warcraft. The boss fight against C'thun also involves a separate body and eye, tentacles the player has to kill and an eye that shoots lasers.
  • The final form of the Emperor Ing looks similar to the exoskeleton of Metroid Prime.
  • If Samus shoots at the liquid form of the Emperor Ing in the Sanctum before dropping down into the chamber, it will disappear until the cutscene. No damage is dealt to the Emperor at all by doing this.


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