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When Levi took down the beast titan in season 3 part 2, the beast titan
mentions that Levi is too fast and that he won't be able to harden his nape in
time. So why don't all titan shifters keep their napes hardened all the time?


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2020-12-31T01:50:10.377
61436
2021-02-06T16:20:33.173
57972
question
attack-on-titan
Why don't titan shifters keep their napes hardened all the time


The first ever hardening was seen in the female titan (Annie) which is not a
natural which is learnt by the titan holder by doing some modification to the
titan. Only armored titan is the one who has the natural hardening. So other
titans who has hardening technique (As of now artificial hardening is learnt
by Beast, Female and Attack titan.)

Well in the Anime you must have seen the Eren learns the hardening technique
using the fluid which was given by Hanje. And Eren doesn't learns it right
away, even though he had created a huge hardened titan body sculpture at the
first time.

Later he used it to misguide Bertholdt when Armin was sacrificing himself so
that eren will get some time to harden the whole titan body. That time Armin
was buying some time so that eren will get enough time to do his job and also
not to mention Bertholdt could only partially see Eren's titan because of the
smoke caused by his own colossal titan.

So the main point is, if the titan doesn't has natural hardening then titan
will take time to generate the artificial hardening. And whole process is time
consuming, and causes energy drain to the titan holder.

**Remember, titan holders have limitations on how many time they can transform
throughout the day.**

In manga, there is one scene which is not happened in the anime yet, its minor
spoiler though:

> In manga at one point, Reiner confirms that he will not be able to transform
> into titan because of energy drain.

To preserve their energy, so that if in case anything goes wrong in the fight
and by mistake they get detached from the titan they will get another chance
to transform into titan, but if they end up using all their energy they won't
be able to transform into titan and will lose their life as well as the titan.

Even though if you think, when Levi attacked beast titan, Zeke lost his arms
and legs so he won't be able to transform into titan anyway, but also remember
that he had cart titan on his side to save him from Levi, which eventually
happened!

> Well this hardening is not much of the use when scouts use Thunder spears
> which destroys all the hardening (chapter 113). In below image as you can
> see Levi is overpowered here against beast titan. Not to mention that Levi
> is faster, has more skills than any scout, so it's really hard to get out
> alive for the titan holder when they face off Levi. ![Levi attacking beast
> titan using thunder spears!](https://i.stack.imgur.com/Izr9U.png)


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2020-12-31T07:26:18.053
61437
2020-12-31T07:26:18.053
57080
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answer


Prathamesh is right, but I would add that it's also a tactic to hide the
hardening ability.

I assume that your question is mostly about why Annie, because she's the only
one we know that can harden her nape any time she wants (Armored titan is
completly diferent thing and Eren doesn't control that ability that well).
Annie doesn't use hardening ability all the time to lure enemies closer -
seeing armored nape many scouts wouldn't attack it. but when they see it
naked, they go directly for it, so Annie can harden the nape in the last
second and kill her surprised enemies. She actually almost got rid of Mikasa
this way, one of the most dangerous scouts, but Levi saved Mikasa Also, i
believe Annie could harden only one part of her body at a time - so she was
sometimes hardening her fists etc. so hardening only her nape would make her
less capable and her task is not only to survive but also to capture Eren so
she can't focus just on defending her nape all the time.


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2021-01-02T15:24:15.963
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2021-02-06T16:20:33.173
2021-02-06T16:20:33.173
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answer


I would like to add that when Annie was being held hostage by the SC in the
forest arc, she did hold the hardening for quite some time, but as time wen by
it started to weaken and crack by itself. So, in short, they can do it, it's
just too energy draining and not worth it. It's just better to harden it at
the last second, as previously mentioned.


CC BY-SA 4.0
2021-02-05T23:18:51.517
61837
2021-02-05T23:18:51.517
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answer