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Quote1 What are you? A Man? Or a Titan? Quote2
— Kitz Weilman to Eren Yeager[1][2]

Titan shifters are specific humans in possession of the power of the Titans (巨人の力 Kyojin no Chikara?) which allows them to transform into Titans. Unlike regular mindless Titans, they are able to control their form and retain their human intelligence. It is often noted that shifters are far more powerful than regular Titans and sometimes display abilities unique to only them.


In order to transform, a human with the power of the Titans must suffer an injury that draws blood (often self-harm, as shown when Eren Yeager bit his hand to protect Mikasa Ackerman and Armin Arlert, and when Annie Leonhart stabbed her finger with a blade from the inside of her ring) while having a solid goal or belief in mind at the moment of injury. However, being injured by another person is also sufficient, such as when Mikasa brutally wounded Reiner and Bertolt. Once the transformation is initiated, a burst of energy is released (in some cases as a bolt of lightning or an explosion), followed by the generation of the Titan body and a release of hot steam. After transformation, their human bodies appear to be in the nape of the Titan's neck, where they control their Titan bodies. Their human bodies are also merged with the Titan's flesh inside to varying extents, rendering them immobile. It is also visible that their eyes are connected within the body of the Titan, presumably for optic vision outside the body. An average height among the Titan forms is 15 meters, seen in Eren's and Grisha's Titan forms and the Armored Titan; but this can vary greatly, ranging from 5 meters of Ymir's Titan form to 60 meters of the Colossus Titan. It is interesting to notice that female Titan forms are usually shorter than the average male shifters, with the Female Titan standing at 14 meters and Frieda's Titan form being 13 meters tall.

Titan Shifting

Eren's transformation

If a shifter's Titan form is pushed to its limit, the human will emerge from the nape of its neck in a semi-conscious state. This is demonstrated separately by Eren, Ymir, and Annie when their Titan forms suffer defeat. But if a shifter's Titan form is not exhausted, then its human form can partially emerge from the Titan form in full consciousness. Annie, Ymir, and even Eren have shown this ability on separate occasions.

When a shifter uses their Titan power, oftentimes the area around their eyes is marked by dark lines for a short time after. Every shifter with a known Titan form has exhibited this at least once, with the exception of Grisha Yeager and Annie Leonhart. The time the lines last appears to depend on the shifter and possibly how long, skilled or how overworked they used their Titan forms, ranging from several minutes to several hours, as shown by how Ymir had the lines beneath her eyes for almost twelve hours, whereas Reiner and Bertolt only had them for a little less than five hours.

Titan Shifters size comparison from Attack on Titan ANSWERS

Size comparison of several Titan shifters, along with Rod Reiss, the Quadrupedal Titan, and Eren's original Titan form

The Titan shifters also gain the Titan's ability to regenerate, capable of vastly improved healing abilities and regenerating lost limbs even in their human forms. However, regeneration from severe injuries such as lost limbs can strain their powers and prevent them from transforming for a period of time.[3] Both Eren and Ymir were unable to transform while recovering from their injuries, though Ymir is shown to have been able to transform within minutes of recovering. Healing for a Titan shifter's human form takes much longer than their Titan form, as it took Eren 5 hours to regenerate both of his arms, whereas it would take him minutes to do so in Titan form. The time it takes to regenerate appears to depend on the extent of the injury and how focused a shifter is on healing that area. Like regular Titans, the only surefire way to kill them is by attacking the weak spot in the back of their necks; although they are sometimes able to transfer their minds to the rest of their nervous system and survive even this.[4]

It is also shown that they are not safe from regular Titans, and will be attacked even while transformed. Both Eren and Ymir were nearly devoured by hordes of Titans while transformed, and Reiner states that traveling while in Titan-occupied territory during the day is dangerous to any of them. During the battle of Trost, it was shown that Titans seem to prefer attacking transformed shifters. The human soldiers had great difficulty drawing away the Titans, as they were somehow drawn to Eren's Titan form.[citation needed] This is because Titans are regular humans transformed by unknown means, and the only way for a Titan to regain its human form is by eating a shifter.

A notable trait of the three major antagonistic shifters is their lack of skin, and special abilities unique only to their Titans. Bertolt's Colossus Titan possesses steam generation, Reiner's Armored Titan possesses hardened armor-like skin, and Annie's Female Titan bears several abilities, most notably the ability to harden select areas of her skin and call upon mindless Titans with a scream. It is unknown how this relates to Eren and Ymir, who do not share their place of origin or purpose. Ymir displays the ability to partially emerge from the nape of her Titan form, allowing her to interact with others while still transformed. Uri Reiss also demonstrated this as well, once being almost completely out of his Titan form with the exception of his right hand.[5] It is unknown whether this is unique to them or a feat that any experienced shifter can manage over time.

Revelations concerning Ymir's past also suggest several important possibilities concerning the nature of Titans and Titan shifters, as well as the existence of other shifters. It is revealed that they do not age while in their Titan form, as Ymir notes she spent at least 60 years in her Titan form but has the appearance of a teenager.[6] Although Ymir lacks complete and clear memory of this period, she recalls enough to describe it as an "endless nightmare". While trapped in her Titan form, she seems to have been a regular Titan that mindlessly devoured humans. Reiner and Bertolt do not treat this as an unusual case, and Bertolt notes that it was the same for them. This leads to the conclusion that the first time of using their power they lack self-determination and have only a decided goal, devour humans. In the case of all the currently known Titan shifters, excluding Ymir, it appears that there was a shifter present for them to devour, with only Eren, Armin, Ymir, Frieda, and Uri having the shifter they ate being shown or mentioned.

Experiments performed on Eren suggest that shifters are resistant, but not immune to the normal absorption that creates mindless Titans if they stay transformed for a long time. After spending one hour transformed during experimentation, Eren entered in a state of pain and eventually left his Titan body. With the the two subsequent transformations after short rests, the strength and quality of his Titan form degraded more and more, becoming smaller and less controlled each time. On the third transformation, his Titan form was less than 10 meters and his lower body remained free while his upper body began to merge with his Titan form. It became necessary to cut him loose, removing most of the tissue from the front of his skull in the process. As such, it seems that there is a limitation on how long a shifter can remain in a transformed state before risking absorption.[7] Similarly, it seems the longer or more often a Titan form is used and how exhausted the human within is, the more difficult the form can be to consciously control. This may cause the shifter's form to regress to typical Titan behavior and can make them unpredictable if weaponized. The length of being transformed appears to depend on how skilled a shifter is at controlling their Titan form, as Annie was able to transform twice into a fully formed Titan, in total altogether for almost a day minutes apart, without being absorbed, while Eren nearly lost himself.

A shifter's ability to transform into a Titan can be transferred to a new host, should they be devoured. This allows an ordinary Titan to become a new Titan shifter, should they succeed in devouring one, as was the case when Ymir devoured Marcel and regained human form. Hange Zoë theorizes other abilities, such as the Coordinate possessed by Eren, could be transferred to a new host in the same fashion.[8] The Reiss family has done this method for years, by having one Reiss transform into a Titan and devour the previous Coordinate holder, obtaining their powers and the memories of the world. Zeke threatened to give Reiner's Titan armor over to another warrior should he fail in combat with him a second time, which could mean that Titan unique abilities can also be inherited by eating a shifter; although he never specified if this was the method he would use.[9] What is known is that shifters can gain new powers by consuming a Titan serum, as Eren consumed a bottle from Rod's bag labeled "Armor",[10] which gave his Titan form the power of hardening its skin at will, and could be related to Zeke's statement.

Grisha Yeager, a shifter himself, was capable of using a syringe to turn a young Eren into a Titan which in turn devoured most of his body. Similarly, Frieda Reiss became a Titan via syringe in order to consume her uncle to become a shifter and to obtain the Coordinate ability, as did Uri and Mr. Reiss.

It must be noted that Titan shifters do not seem to adopt the Titan form of the shifters they eat, as both Ymir's and Frieda's Titan appearances remained relatively the same before and after eating Marcel and Mr. Reiss, respectively.[11][12][13][14] Rod Reiss also revealed that humans can choose the serum that will give them a specific Titan form, meaning they adopt the form given by the serum and not whatever form the shifter they eat has.[15]

However, some Titan forms do seem to experience certain changes. Eren's original Titan form just after receiving the serum was much smaller and seemingly less mature than his current form,[16] and both Ymir's Titan form[17] and Frieda's Titan form[18] had emaciated bodies, different from their muscular shifter appearances.[19][20] Nevertheless, some common features remained in each shifter's form. Both Eren's mindless Titan and shifter form possessed exposed teeth and a lack of lips or cheeks along with elongated ears; both Frieda's mindless Titan and shifter form possessed white hair, sneering lips, and gaunt noses; and both Ymir's mindless Titan and shifter form possessed pointed ears, sharp, exposed teeth, and long, dark hair. This reveals that both the mindless Titan and the shifter form of a single individual are essentially the same in all respects besides muscle mass; and at least in Eren's case, what seemed to be growing and maturing. Whether this is correlated to the aging and training of the human form, or a side effect of eating a shifter, is unknown. It is also noteworthy that Reiner's and Bertolt's forms did not experience any noticeable change in the 5 years that passed since the breaching of Wall Maria and the next time their Titan forms were seen, despite the fact that their human forms did age, which could indicate that the aging of the human form is not the cause of the changes in the Titan form, or could be a trait exclusive of their specific forms.

According to Rod Reiss, a shifter's power rests in their spinal cord, meaning that to gain the Titan powers, it is not necessary to eat the entire shifter, more so just biting through the spine and ingesting their spinal fluid.[21] Analysis of a serum recovered from Rod Reiss has also revealed that the Titan serums, which is actually Titan spinal fluid,[22] appear to contain ingredients based on human spinal fluid. However, it is difficult to study, because once the liquid makes contact with the air, it evaporates just like Titan corpses do.

Despite the immerse power of a Titan shifter, each is fated with the "Curse of Ymir", which renders them only 13 years to live when they acquire the power of the Titans. The Titan shifter during the last years of their life will have their body weaken until they perish.[23]

Titan shifters

Name Description Titan Form
Bertolt Hoover
"Colossus Titan"

The first Titan shifter (and first Titan) to appear chronologically within the series, Bertolt Hoover's Titan is of 60 m class. This grants him incredible strength like no other, capable of causing monumental destruction with little effort or damage sustained on his body. Due to this size its body temperature is extremely high,to the point that it is constantly emitting steam. However, because this Titan is so large, Bertolt can only move slowly while in its form. Furthermore, Bertolt has the potential to, at need, release an explosive amount of energy during Titan transformation, with the potential to completely level buildings in a short radius of his transformation, killing everything in open area and generating a mushroom cloud of steam.

It is the largest Titan shifter seen so far in the series, the second largest Titan of the series (coming second only to Rod Reiss' mindless Titan, which was twice his size), and four times the height of the regular Titans of the tallest class (15 m). This form has shown to be able to retain a degree of intelligence and tactical planning to go with its sheer size and strength, despite its slow movements. It is strong enough to break down the defensive Walls surrounding humankind with a single and very hard-focused kick to allow other Titans to move inside the Walls. It has a unique ability to "superheat" its body to produce incredibly hot steam as a defense. This ability has only been seen to be shared with Rod Reiss' Titan (except Rod Reiss' heat is even more intense). The heat of this steam is so intense that it is able to keep dozens of experienced soldiers at bay, lest they be cooked alive.[24]

Colossal Titan
Reiner Braun
"Armored Titan"

Reiner Braun is capable of transforming himself into a 15 m class Titan with a slight resemblance to his human form. Unlike the other Titan shifters, his Titan form has very thick, hardened plates of skin all over his body which serves as his armor.

This type of Titan is well-built and has a hunched profile. Its only visible weaknesses are the small areas on the backs of its joints where there is no armor.[25] Though not particularly fast, this form is strong and agile, capable of destroying a fortified Wall after a sufficient running start. While he is able to communicate through roars, it is unknown whether he shares Annie's ability to summon other Titans.

Due to the "Curse of Ymir", Reiner has at most seven years left to live.

Armored Titan's appearance
Eren Yeager
"Attack Titan"

Eren Yeager is the first Titan shifter to be revealed in the series, his Titan being a 15 m class. Its most prominent characteristics are its elongated ears, fleshless jaws and highly muscular build. 

Eren's Titan form has so far been shown to have fairly substantial physical strength, knowledge of martial arts techniques, and incredible endurance. Prolonged and repeated use of this Titan form has allowed Eren to gradually increase control over its initially unstable mental state. Its eyes are a piercing gray in the manga, and emerald-green in the anime; wherein they are often seen to be glowing bright green.

Eren eventually revealed the powers of the "Coordinate": A special ability which allows him to take control of other Titans. In his blind state of rage, he would subconsciously command them to relentlessly attack his chosen target until they are dead.

This Titan has also recently gained the ability to harden after Eren has consumed a jar labelled "Braun".

Due to the "Curse of Ymir", Eren only has seven years left to live.

Eren the Titan Shifter
Armin Arlert

Armin Arlert is the latest Titan shifter, having become one after Levi injected him with a Titan serum obtained from Kenny Ackerman. After being injected, Armin transformed into a mindless Titan, and ate Bertolt Hoover in order to regain his human form. His Titan has blond shoulder length hair, a relatively small body with a lipless mouth and black eyes as well as a skeletal nose. 

Due to the "Curse of Ymir", Armin only has twelve years left to live.  

Armin Titan Shifter
Annie Leonhart
"Female Titan"

Annie Leonhart can transform into a 14 m class Titan with a distinctively feminine build and short, blonde hair. Her transformation endows her with immense strength and speed. 

A Titan shifter of athletic appearance with lean muscle and minimal skin, the Female Titan is a Titan of unusual power and intellect. It has the stamina and focus to maintain a running pace capable of keeping up with horses over a long distance;[26] as well as the intelligence to defend itself from multiple vertical maneuvering equipment attacks by prediction of the device's movements. This Titan form also has the unique ability to harden its body parts by generating a crystalline substance across chosen areas of its body; allowing it to simultaneously protect its nape and fight.[27] Combined with refined martial arts techniques, it can perform incredibly deadly and destructive attacks. When cornered, the Female Titan's call has the ability to draw other Titans to it and drive them into a feeding frenzy.[28]

Due to the "Curse of Ymir", Annie has at most seven years left to live.

The Female Titan

Ymir's Titan is a 5 m class Titan with long, black hair, very large irises and an agile, chimpanzee-like body. This form grants Ymir rather long arms and sharp claws. It provides her with such great agility that her Titan appears to be "dancing".

The smallest Titan shifter known yet, this Titan form has a mouth with all pointed teeth, as well as sharp claws that can either be used to grasp on to things or for combat. Its long arms and small, muscular body enable it to maneuver itself around with great speed and agility in the same environments as those with vertical maneuvering equipment, making it a formidable foe in battle.[29]

Unlike the other shifters who apparently gained their powers under a somewhat controlled process, Ymir wandered as a mindless Titan for 60 years, and only after eating Marcel did she regain her humanity and become a Titan shifter.

Due to the "Curse of Ymir", Ymir has seven years left to live.

Ymir titan form
Frieda Reiss
"Founding Titan"

Frieda was able to transform herself into a 13 m female-looking Titan with white hair. She was said to have an "invincible power", but she died before she could learn how to use it. She devoured her uncle below the Reiss chapel when she was fifteen in order to receive his Titan abilities and secrets of the world.[30] The "invincible power" is now known as the "Coordinate" or "Progenitor Titan", which allows the user to control Titans and potentially, humans. This however, was stolen from her by Grisha Yeager, and is now in the possession of Eren Yeager.

Frieda Titan
Grisha Yeager
"Attack Titan"

Grisha's 15 m Titan form shares similarities with Eren's, such as their elongated ears and long hair, except Grisha's Titan jaws have flesh and a beard. He has a bulkier body built. Unlike most Titan shifters shown so far in the series, his body is very heavy-built. He used his Titan form to kill and devour Frieda Reiss along with her family, excluding Rod and Historia Reiss.[31]

Grisha Titan
Zeke Yeager
"Beast Titan"

Having a distinct, ape-like appearance, his Titan's body structure and facial features are like that of a human's, he walks upright like one also. He stands at a previously unseen 17 m in height. Dark fur covers the large majority of his body, with the exception of his face, hands, feet, and torso. His arms are also elongated, with long fingers and fully-functional thumbs. The proportions of his upper body are similar to that of the Colossus Titan, possessing a massive chest and small head, as well as unusually slim arms.[32]

It is suggested that the Beast Titan contains massive strength, for it was able to hurl chunks of the Wall from very far and was able to accurately hit members of the Survey Corps. He was also able to defeat the Armored Titan without seemingly any sustained damage. It has been noted that the Beast Titan is the "strongest" Titan.

Beast Titan
Ymir Fritz
"Founding Titan"

Little is known about the Progenitor Titan's physical appearance beyond what is depicted in romanticized illustrations. In all pieces of artwork depicting Ymir Fritz's Progenitor Titan, she appeared to possess a very tall female Titan form with long blonde hair.

Ymir Fritz was the first individual to receive the power of the Titans after making a deal with the "Devil of the Earth", making her the true Progenitor of all Titans.[33] With her powers as the Progenitor Titan, she used the Titans to make great advancements for her subjects, such as cultivating barren lands, building roads across the world, and building bridges between the mountains.[34] After some time, she died, and her powers were split between Nine Titans, the progenitors of all Titan shifters, and her power as the Progenitor Titan would be passed down through the Fritz family (and later the Reiss family) over the next two millennia.[33][35]

Ymir Fritz Titan 2
Eren Kruger
"Attack Titan"

Kruger's Titan face is very similar to his human form and has long dark hair, like Grisha and Eren. He appears to have great strength, as he is able to crush a boat. His Titan form is also quite muscular.[36]

Eren Kruger Titan Form

Nine Titans

After Ymir Fritz died, her powers passed over to nine descendants. So, there can be a maximum of nine shifters at the same time. However, after Grisha ate Frieda, the line of Progenitor Titan mixed with the line of Attack Titan. Currently, seven of these nine lines are revealed:

Founding Titan

Attack Titan

Colossus Titan

Female Titan

Armored Titan

Beast Titan

Unnamed Titan


  • Many Titan shifters are modeled after mixed martial artists. For instance, the Armored Titan is modeled after Brock Lesnar and the Rogue Titan is modeled after Yūshin Okami.
  • The Beast Titan appears to be the most skilled living shifter, as he possesses the power to mimic human speech in Titan form, climb over the Walls, and create Titans that function at night. Annie Leonhart appears to be the second most skilled living Titan shifter, sporting a variety of learned powers and moves, including selective regeneration, skin hardening, and Titan summoning. However, the holder of the Coordinate would often be the strongest shifter, as noted by Rod. The least skilled appears to be Eren, who is still learning how to use his powers; and Bertolt, who can only move slowly, massive steam generation and possesses extreme physical strength.
  • It is possible that like normal Titans, a shifter's remains evaporate when they perish as there was no trace of Grisha after Keith Shadis found an unconscious Eren after the latter received the Coordinate, even though in Eren's obtained memory, the remains of Grisha's lower body, arm, and clothes were left behind.
  • The power of the Titans is apparently not passed down through bloodline and the only way to inherit it is by transforming into a Titan and devouring another shifter, as proven by how only one Reiss would be a Titan shifter as compared to all of them and Eren, the son of the Titan shifter Grisha, would be born a Titan shifter if this were true.
  • In the case of Titan abilities and the Coordinate, it appears that if eating a shifter of the same bloodline, one can access their powers and memories easier. Both Frieda and Uri devoured someone of their bloodline to gain the power of the Titans, and were aware of the memories the moment they awoke. However, Eren, who is not a Reiss and therefore not of the same bloodline, has only recently started to remember faint memories since he obtained his powers five years ago.
  • While the ability to turn into a Titan is commonly referred to as the "power of the Titans" (巨人の力 Kyojin no Chikara?), this term is also used by the Reiss family to refer to the Coordinate as well.
  • Grisha Yeager consuming Frieda Reiss is the only known case of a Titan shifter eating another Titan shifter. In all other known cases of inheritance of the power of the Titans, the receiver was always a mindless Titan.


  1. Attack on Titan manga: Chapter 10 (p. 24)
  2. Attack on Titan anime: Episode 9
  3. Attack on Titan manga: Chapter 46 (p. 9)
  4. Attack on Titan manga: Chapter 78 (p. 10)
  5. Attack on Titan manga: Chapter 48 (p. 8)
  6. Attack on Titan manga: Chapter 47 (p. 14)
  7. Attack on Titan manga: Chapter 53 (p. 5 & 6)
  8. Attack on Titan manga: Chapter 57 (p. 5-7)
  9. Attack on Titan manga: Chapter 77
  10. Attack on Titan manga: Chapter 66 (p. 34)
  11. Attack on Titan manga: Chapter 64 (p. 40) — Frieda as a midless titan.
  12. Attack on Titan manga: Chapter 63 (p. 11) — Frieda has the Coordinate.
  13. Attack on Titan manga: Chapter 40 (p. 43) — Ymir as the warriors first encounter her.
  14. Attack on Titan manga: Chapter 40 (p. 42)
  15. Attack on Titan manga: Chapter 65 (p. 29)
  16. Attack on Titan manga: Chapter 62 (p. 37)
  17. Attack on Titan manga: Chapter 47 (p. 7)
  18. Attack on Titan manga: Chapter 64 (p. 40 & 41)
  19. Attack on Titan manga: Chapter 41
  20. Attack on Titan manga: Chapter 63 (p. 16 & 17)
  21. Attack on Titan manga: Chapter 65 (p. 30)
  22. Attack on Titan manga: Chapter 87 (p. 36)
  23. Attack on Titan manga: Chapter 88 (p. 20-22)
  24. Attack on Titan manga: Chapter 43 (p. 20-24)
  25. Attack on Titan manga: Chapter 44 (p. 32)
  26. Attack on Titan manga: Chapter 23 (p. 1-4)
  27. Attack on Titan manga: Chapter 28 (p. 40)
  28. Attack on Titan manga: Chapter 27 (p. 27-33)
  29. Attack on Titan manga: Chapter 47 (p. 22)
  30. Attack on Titan manga: Chapter 64 (p. 38-41)
  31. Attack on Titan manga: Chapter 63 (p. 8-18)
  32. Attack on Titan manga: Chapter 35 (p. 25-42)
  33. 33.0 33.1 Attack on Titan manga: Chapter 86 (p. 17)
  34. Attack on Titan manga: Chapter 86 (p. 27)
  35. Attack on Titan manga: Chapter 64 (p. 39 - 42)
  36. Attack on Titan manga: Chapter 87


Start a Discussion Discussions about Titan shifter

  • Passing on Coordinate/Titan Shifting without death?

    8 messages
    • <div class="quote">Ethan Harmicar123 wrote:<br />The spinal fluid possesing the ability to Titan Shift would be gone,...
    • Like through a syringe and keeping the spinal fluid in the capsule and injecting into the Titan's mouth.
  • Titan's creation who built the wall

    4 messages
    • That makes sense that their primary objective was to retreive the coordinate. I am not sure if Annie and Zeke has the same ability based on ...
    • Annie could only ring the dinner bell for the Titans as far as we've seen with her own Titan being the main course. Zeke's Ti...

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