Metroid Database Bestiary

These spectral entities' bioelectric field is invulnerable to natural energies, such as fire, ice, and electricity. As these entities phase in and out of existence, the only way to track them accurately is with X-ray scanning. They are invisible to the naked eye and can only be seen as a wispy white spirit while they attack.

Though the Chozo are a peaceful race and are the ones who raised Samus, bestowing her with her powers, these apparitions are infected with Phazon-sickness, causing them to behave aggressively and erratically. They appear to be drawn to Chozo shrines or temples, where they wreak havoc upon anything that dares to enter the area. They will not let up until they have been destroyed. The Chozo that remain refer to these aberrations as the "The Turned", and they are described in the Chozo Lore entry below found in Phendrana Canyon:

Many Chozo have gone beyond now, and this is a mercy. Those of us who remain suffer in dimensional flux, drifting helplessly across time and space, guided by unseen and inexorable currents. The Chozo who cling to sanity fight the tide, but our minds are weakening. Soon we will all be like the Turned, Chozo who have been corrupted by the Great Poison. The Turned still hold to their Chozo forms, but their minds are black with fell intentions. Gone is their respect for life. They honor only destruction, and seek to disrupt the Artifacts holding the Great Poison at bay. All life taunts them, and they do not rest. Before long, they will be all that remain of the Chozo here.

Chozo Ghosts can be a pain. They quickly fade in and out of the visible spectrum, making it almost impossible to lock on to them. You will know you are in a Chozo Ghost room when it gets dark and the music changes. Chozo Ghosts can be destroyed using the Charge Beam or two well-aimed Super Missiles. Once you acquire the X-Ray Visor, use it to help you lock on to them and take them out much easier. They usually appear in rooms where a Chozo Artifact or other important item is hidden. Keep dashing to avoid their energy balls that they throw at you.

Chozo Ghosts appear more often once Samus receives the Ice Beam. You first encounter them in the Hall of the Elders.

The Chozo Lore entry, "The Turned" was replaced with "Entrusted One" in the PAL version:

So many creatures suffer beneath the blight upon the land, and we Chozo are no exception. But for all of our pain, we can at least believe in the promise of the future; unlike the apparitions that have begun to appear, entities feel neither hope nor solace. We call these doomed souls The Turned - taking ghostly Chozo forms, they know no reason beyond the instinctive urge to protect our lands. They will likely exist in limbo forever. We have come to believe that a time may never come when we can once again open the door and banish the darkness we've contained. Even so, our vigilance will forever remain. We believe that on some far-off day, a savior will come and continue what we have begun. For that savior, we will leave our ancient weapons and armour - the soul who can gather them will be the Entrusted One, the only one that can reverse the evil that grows here.