What was in the bottle Eren ate?

The serum that Eren used was the “Armor” serum.

What did vial Eren eat?

"Armor Braun" (ヨロイ ブラウン Yoroi Buraun^?) - The one Eren ingested and which granted him hardening abilities.

What vial did Eren bite?

Eren chooses to bite down into one of Rod Reiss' mysterious Titan vials (that's labeled “Armor”) and hopes that the results will prepare him for the impossible fight that lies ahead.

What did Eren drink to get the hardening ability?

He originally did not have the hardening ability, but he did obtain it. When Eren was kidnapped by Reiss and brough to the underground area, he ate a spinal fluid containing bottle with “armor” written on it, and gained his hardening ability.

How did Eren crystallized?

So, in a fit of adrenaline, Eren took a serum hidden within Rod's bag and hoped for the best. As it turns out, the serum which Eren took was just what he needed. It gave Eren's Titan the ability harden its body and the area around him in a very tough crystal coating.

Crybaby Eren gets a new Titan power - Attack on Titan Epic Scenes [Season 3 Episode 8]

Why can Eren's Titan Harden?

He finally gained the ability to harden, however, after ingesting Rod Reiss' vial of 'Armor' fluid while trying to protect his fellow Corps members. The effect was instantaneous: he hardened his whole Titan form and protected himself and the rest of the Survey Corps.

What serum did Eren drink?

The serum that Eren used was the “Armor” serum.

Why is Zeke's spinal fluid special?

When ingested by Subjects of Ymir, which is everyone on Paradis Island, Zeke's spinal fluid allows him to turn that person into a mindless Titan by screaming while in their general vicinity.

What happens if a Titan shifter dies naturally?

If an individual with the power of the Titans dies before it can be transferred, the power will be passed on to the first Baby among the Subjects of Ymir, who is born directly after the said inheritor's death, regardless of distance or relation to the previous inheritor.

How does Zeke have royal blood?

Zeke has half royal blood because of her mother, Dina. While, Eren's mother, Carla, doesn't have a royal blood. Also, if Eren and Zeke touch each other, Eren could again activate the Founding Titan's power like when Eren touches The Smiling Titan, which is Dina's Pure Titan form, Eren managed to activate the founding.

Why is Reiss Titan so big?

The reason Reiss was so big was because he was an Abnormal. I believe the the reason Abnormals are created is due to them having a strong enough goal in mind. Reiss wanted to retake the Founding Titan, and the Founder is a powerful titan, so he turned into an Abormal titan twice the size of the Colossal Tian.

What did Grisha inject Eren with?

After adjusting the dose to create a 3-4m class and injecting the other man with injection, revealed to actually be Titan spinal fluid, he threw him off the Wall to transform.

Can Ackermans turn into titans?

The Ackerman are also incapable of transforming into Pure Titans.

Why did Eren drink the bottle?

First, he was unable to harden his body, but then he drank something from a bottle (I think "armor" was written on it) and he was suddenly able to harden once, in the crystal cave. Then they were panicking and wanted to search for more bottles, so he could use the hardening ability at least once again to seal the wall.

Can pure Titans be saved?

There is no specification on the manga or anime about that. But it seems that any "pure" titan as long it gets the spinal fluid of 1/9 titans is able to go back to being a human no matter how long it takes then in their pure titan form.

Is Levi an Eldian?

Those who can become Titans are only the Subjects of Ymir who still have an Eldian bloodline. Nonetheless, it's still unclear whether Mikasa and Levi can turn into Titans as they are half-Ackerman and half-Eldian -- where one of their parents were of pure Eldian descent.

Can Ymir's curse be broken?

Well i think that the curse of ymir is curable just like any disease. why i think so: 1) Shadis said Grisha came to walls 15 years before the attack on shiganshina. this means that grisha from the time of his arrival to the time of his death, lived 15 years, more than 13, which defies the curse.

Why does Ymir's curse exist?

Manga Spoiler

The Curse of Ymir exists because Ymir herself died 13 years after obtaining the power of the titans.

Why do Titans only have 13 years to live?

Because it is impossible for anyone to surpass the Founder, each person who gained the power of the Titans was fated with the "Curse of Ymir" (ユミルの呪い Yumiru no Noroi^?), which limited their remaining lifespan to only 13 years after first acquiring it.

What was in the wine AOT?

While Eren remained imprisoned, Yelena would covertly have wine laced with Zeke Yeager's spinal fluid sent from Marley to Paradis and dispersed to high-ranking military officials.

Can Zeke control all Titans?

Zeke's Beast Titan was able to exercise some control over Pure Titans that he created through his screams. Zeke's Beast Titan was able to direct the actions of Pure Titans and could command them to move, resist the urge to eat humans, and stay in place.

What happens if you drink spinal fluid AOT?

Titans created by royal spinal fluid are bound to obey the commands of that royal blooded person, although control is not as complete as with the Founding Titans' powers. If one consumes a titans' spinal fluid rather than injecting it they become an abnormal, although abnormals can be made the normal way as well.

Why did Zeke put spinal fluid in wine?

To gain the islanders' trust, Zeke admitted that a gaseous variant of his spinal fluid was used to turn the entire village of Ragako into Titans.

Do all Titans have hardening?

It seems that some of the nine titans can harden their body (plus the wall titans). However, I noticed a difference in their durability and hardness.

What is the Titan injection made of?

While the exact chemical composition of Titan serum is currently unknown, it is considered by the Marleyans to be Titan spinal fluid. It has been shown that the serums quickly evaporate after coming into contact with air; for this reason, they are always kept in tightly-sealed vials.