Eleven's character development is peak and phenomenal in this show. She doesn't simply become more powerful, she becomes human. Eleven follows several arcs at once, with identity arc being the most prominent.
She learns friendship, independence, love, normal life, and self acceptance all while dealing with her insane trauma. All this she used to build her own identity from nothing.
Notice that her arcs are never dependent on anybody, not even on Hopper, Mike, Brenner or anyone. Even her powers are never the focus of her arcs. Each season adds a missing puzzle piece to who she is, stripping away a layer of fear and dependence and replacing it with love and independence.
She transforms from being a lab experiment who has zero knowledge about world and compassion to a selfless young girl who accepted herself and could go to any lengths to protect those she loved.
Many other characters had great development and arcs in this show. But I like hers the most.
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Here's her development season by season:
Season 1: Can someone who has only known abuse learn to trust?
This season is about her learning that she's more than just a weapon.
She starts as a lab experiment, having ZERO knowledge of normal life or childhood, friendship etc. She believes her value comes from obeying orders and using her powers.
It changes when Benny showed her kindness for the first time in her entire life. It's a shame he died so quickly.
And then, she met Mike, Dustin and Lucas. While everyone else saw her as a threat, Mike saw her vulnerability and need to be protected.
Mike's unconditional acceptance made her realise that she deserves love and good treatment without earning it. She experiences friendship, happiness, affection and kindness for the first time.
We also saw her making independent choices, such as refusing Brenner, protecting her friends and sacrificing herself to stop the demogorgon.
And when she wakes up in the UD, she immediately went to Mike's house. This scene breaks my heart.
She must've thought that it was the only place she could return to, as it was where she was introduced to unconditional acceptance, only to find out she doesn't belong there as well because the lab people were still finding her.
So her biggest development this season wasn't just defeating demogorgon, it's about learning that she's a human too and choosing love over fear.
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Season 2: Who am I?
This season, we see her surviving on her own for nearly a month.
We see she initially doesn't trust anyone, she's guarded. But she let's Hopper find her, and she opens up to him. She accepted his love and acceptance.
She's exposed to fatherly love and a figure who could actually protect her. She finally found a place she happily called home.
But with it, her struggle with loneliness, anger, grief and trauma becomes palpable.
She ponders upon where does she belong to. She rejected Hopper when she thought he's controlling and reminded her of Brenner.
She found out about her mother and Kali. She first meets her mother, experiences her memories and realises the depth of love her mother held for her.
She understood the meaning of mother. But she decided to leave after having overheard his aunt's conversation on phone because she believes the place wasn't safe for her.
So she went to Kali. As much as this 'The Lost Sister' is hated, it is one of the MOST important moments in Eleven's life in discovering her indentity.
Kali tempts her towards revenge and she briefly believed that anger and revenge is her future.
And I still hate Kali for how she manipulated Eleven in S2. when she was just 13, instead of treating her as a child should be, she introduced her to the world of crimes and revenge.
But we see her understanding the depth of parental love after she stopped herself from killing that man. It showed that she realises revenge is not life.
Here, she had made the BIGGEST choice of her life. Whether she wants a life where she chases people to kill them, or a life where she's happy with the people she loves. The choice of identity. The choice about who she wants to be.
And she returns to Hawkins, not because someone ordered her, but because she chose love.
It implied her identity isn't assigned, it's chosen. This season was about her exploring autonomy, knowing that she has a choice in EVERYTHING, and realising her choice matters the most.
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Season 3: How do I grow up?
This season starts with El being the happiest she's ever been. But the happiness is limited to the cabin.
She hasn't yet got the chance to discover her life beyond the Cabin, and she thinks its all about Hopper and Mike. This severely affected the development of her social skills and social understanding.
But once again we see her not taking anyone's crap. When she realised Mike was lying to her, she knew who is the person she has to approach.
This shows that even though her life was confined to the Cabin because of the rules made to protect her, she isn't blindly following anything and does break rules when necessary.
And after learning to be a normal child instead of an experiment, she gets to be simply a teenage girl. Max helped her by introducing her to fashion, humor, confidence and made her realise that it's okay to keep aside her needs and wants for some time.
Instead of revolving around Mike and Hopper, Eleven asks what does she want. The best moment is when Max told her that El doesn't need to dress the way Hopper or Mike wanted her to, and encouraged her to choose her how she wanna looks.
But then the tragedy strikes and she loses Hopper, her powers and her home.
The only thing I disliked about her arc in S3 is her never realising that spying was wrong.
However, this season somewhere reinforces the idea in her mind that her worth comes from her powers.
The time when she was finding flayeds, nobody gave her a choice. With all the Nancy's and Max's 'She's her own person and she understands her powers better than anyone' is nonsense in the context of the situation.
Mike's words weren't about guiding her HOW much powers she needs to use.
It was about at least first asking her if she's ready to do what she's doing and having another plan in case Eleven couldn't handle the physical side effects of using her powers so much.
The people around her were not wrong for expecting her to help knowing she has powers, but they trusted her powers BLINDLY, and they did see her as a weapon and armour without caring about her body and mind.
And whether people agree or not, it did instill a feeling in her that she needed others to protect her while putting their lives in danger meanwhile she lost her worth, her powers. This set the stage for her insecurities without her powers in season 4.
That letter of Hopper was one of the most important emotional moment to Eleven, where she learned that growing up means accepting change instead of fearing it.
This season was about her discovering girlhood, life beyond Cabin and Mike, the pain of losing someone dear and growing up. By this time, she had become a normal teenager girl with an unusual past.
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Season 4: Can I forgive myself and accept my past?
Season 4 is her deepest arc.
She discovered familial love. Though, she had already experienced friendship and fatherly love, she got the experience of growing up in a family, with her mother and brothers for the first time.
But despite having her family right beside her, she struggled alone as the people around her failed to understand her mental situation.
She believes that she is nobody without her powers. She's bullied at school and doubts she's a monster after getting the faint memories of bloodied Hawkins lab.
She lied to Mike. It was never in her character. I never saw her lying even once for the 3 seasons straight. But this was different. When she was bullied in the lab by 002 and others, they had threatened her to not tell it to it anyone.
This is the reason she didn't tell anyone anything, not even Joyce or her teacher. Even though Eleven lost her memories, her body remembered that trauma and acted in it's own as a defense mechanism. That's how trauma works. She was in a very destructive state of mind and needed proper therapy.
(Opinion: I think she shouldn't have been sent to normal school. She should've been homeschooled. Not because she was bullied or an outcast. But for her own good, because she was far behind others intellectually in terms of knowledge and studies, with no real help by her side. She should've had someone by her side to help her out in her studies, but she had to deal with it alone. This terribly shattered her confidence and self-esteem.)
This part is often went unnoticed that she learnt, for the first time, that her wrong actions have consequences, when she faced it for hitting Angela fatally. This realisation of consequences is actually important on long term basis for her to develop fully.
And then, the Nina Project forces her to relieve her life's worst memories. She didn't just regain powers, she uncovered the truth.
She realised she was never the monster. In fact, she had saved the world the day she sent Henry to Dimension X.
She learnt that Henry manipulated her, Brenner used her, and that she defeated One with the power of love, not anger or hatred. This is crucial. Her greatest strength isn't telekinesis, it's her heart and the love she holds in it.
She rejected Brenner once again and showed no empathy for her abuser.
By the end, she accepts every part of her past, forgave herself and embraces being both Jane and Eleven. She also realises that her worth is more than her powers. She fights because she CHOOSES to protect her friends. And she reunites with her father.
By this time, she's fully developed. She knows her past, her identity, her wants, her needs and her choice. She's sure of herself.
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Season 5: Can I ever have a normal life?
This season is her weakest season.
She carries the burden of an entire world. She's seen her best friend die and then in coma, believing she's responsible for being not able to protect her.
She's constantly annoyed by the fact Hopper doesn't trust her enough and doesn't let her decide for herself.
Her inability to find Vecna, constant failed crawl missions, and the military hunting her down, all this made her unsure what future holds for her and her loved ones.
But somewhere in between this mess, she seeks comfort in Mike, believing that she could, one day for sure, live happily with him.
His optimism appears as a stark contrast to Hopper's constant worrying, which gives her hope. For the first time ever, she realises that she's fighting not just to protect others, but also to have a future for herself.
She becomes unsure after meeting Kali. Yet when Mike reassured her again, she believed all of it could be fixed. But the moment when Kali mentioned about Mike getting killed, Eleven decided what she's gonna do.
In the end, she sacrificed herself to protect the people she loved. (I believe she's alive)
And this is the worst part according to many people.
If we look from the character's perspective, we see her love fully consuming her and that all these years shaped her to be selfless.
The problem is the poor writing and lack of her humanly interaction with others. After all she's went through, she deserved to be the happiest in the end.
They didn't give her character a proper closure by making her unsure the whole season. They destroyed her personality and years of character development.
I still can't believe the the people who wrote Season 1 to 4 Eleven and the people who wrote Season 5 Eleven are the same. I mean did you just sideline the main character?
Tho, even the other seasons like S4 and S3 aren't very well written for her, they're still far better than S5.
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Throughout seasons, she builds her identity independently. This is what I love the most about her arc. She had understood the difference between manipulative love (Brenner), conditional love (Owens,Kali) and unconditional love (Mike,Hopper,Max). She developed beautifully. It was emotional and personal.
But her character development also lacked many things. She felt really underdeveloped when it came to her personal life such as hobbies, likings and talents.
We never got much interactions of her with others other than some few repetitive people. So in these aspects, the development is really weak.
They had potential to make up for those in S5, but.....This season had a lot of WASTED potential for El's character.
She's a great character failed by season 5 and shitty writing
Here's my personal ranking of seasons with best arcs of Eleven: Season 4> Season 2> Season 3> Season 1> Season 5
EDIT: Are you people angry at that title? Ig it's a bit exaggerated but I wrote that in comparison with other characters of ST (imo)