Cislo is a teenage boy from The Promised Neverland who became one of Norman's most trusted followers. After suffering terrible experiments in a special farm, he developed a deep hatred for demons. He is clever and skilled in fighting, even more so than Barbara, another of Norman's close allies. While Cislo is passionate about destroying the demons who hurt him, he is also able to stay calm and support his friends when needed. He cares a lot about Norman, who once saved his life, and looks up to him like a hero. As the story goes on, Cislo starts to question his feelings of revenge, especially after meeting kind demons. This shows that his heart is more complicated than it seems.
Cislo is 17 years old and originally came from a place called Goodwill Ridge.
After some time, he was moved to a secret facility known as Lambda 7214.
This place was used to do painful experiments on children like him.
He feels that he owes his life to Norman, saying that Norman was like a god to him when he was just twelve.
Cislo strongly hates demons because of how much he suffered from the experiments.
He is not only fierce in battle, but also has a cool and collected side.
Unlike Barbara, who is often loud and emotional, Cislo can stay calm and sometimes helps to settle her down.
He admires Norman and calls him “boss,” showing a lot of respect and trust.
Cislo can sense when Norman is troubled, especially about the plan to destroy all demons.
When Norman shares his real feelings, Cislo understands and agrees to help stop the plan.
Norman
Cislo is very loyal to Norman.
He looks up to Norman as a hero who once saved his life.
His deep respect for Norman often guides his actions.
Barbara
Cislo and Barbara work closely together.
Even though she gets angry quickly, Cislo helps keep her from losing control.
They fight side by side, but Cislo is the calmer of the two.
Attack On Mass Production Farms
Cislo assists Norman in attacking mass production farms where children are kept by demons.
He is driven by his wish to get revenge for the painful experiments he went through.
His excitement about “wiping out all the demons” shows his deep anger from the past.
Change in Feelings
When Norman’s plan leads to killing many demons, Cislo starts to notice Norman is in pain about these actions.
Cislo listens when Norman opens up about his feelings and supports Norman’s decision to stop the destruction.
In the anime, when Emma, a kind demon girl, apologizes for what demons have done, Cislo seems uncomfortable.
He shows guilt for wanting to kill all demons, especially after meeting good ones.
- "I’m looking forward to wiping out all those demons.”
Cislo’s strong devotion to Norman is modeled after Bartolomeo, a character from the manga One Piece.
This was revealed in the official fanbook for The Promised Neverland.
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