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Whatever life holds in store for me, I will never forget these words: "With great power comes great responsibility."
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We make a good team!
~ Katy to Shang-Chi.
I've been by your side for half your life. I get there are things you never wanted to talk about, and I never wanted to push. But a guy with a FREAKING machete for an arm just chopped our bus in half, Shaun! Who the hell are you?
~ Katy to Shang-Chi.
Chen Ruiwen, commonly known as Katy, is the tritagonist of the 2021 Marvel Cinematic Universe film, Shang-Chi and the Legend of the Ten Rings. She is a hotel valet and Shang-Chi's best friend who is unaware of his past, but becomes entangled in it amidst his quest to stop the Ten Rings.
She is portrayed by Awkwafina, who also portrays Goh Peik Lin in Crazy Rich Asians and Ming Fleetfoot in Jumanji: The Next Level and voices Quail in Storks, Courtney in The Angry Birds Movie 2, Otto in The SpongeBob Movie: Sponge on the Run, and Sisu in Raya and the Last Dragon.
Chen Ruiwen was born to an unnamed father and Mrs. Chen, and is the sister to Ruihua Chen. Sometime before the events of Shang-Chi and the Legend of the Ten Rings, she (going by the English name "Katy") would then met Shang-Chi (going by the Irish name "Shaun"), when the latter enrolled in school, and the two would later become best-friends. The two survived the decimation in 2018 that was caused by Thanos, and later graduated from high school as Katy went on to Berkley University. She eventually graduated from the university before the events of the film, and decided to get a job as a valet worker in San Francisco with Shang-Chi.
Shang-Chi and the Legend of the Ten Rings
While traveling around San Francisco through a bus, the bus was hijacked by two assailants that attempted to kill Shaun until he revealed his martial arts skills. Katy questions Shaun on his true identity, and he reveals that he was trained by his father to become an assassin when he was just a child, and tells her that he needs to travel to Macau since his sister sent him a letter. The two travel to the Golden Daggers Club where they witnessed an underground fight between Wong and the Abomination, and Katy later sees Shang-Chi fight his sister after he was recognized in the club. When the Ten Rings arrive to capture Shang-Chi and Xialing, Katy is saved by Xialing, but the two are captured by the Mandarin.
Being sent to the Ten Rings' compound in China, Shang-Chi and Xialing's father explains his intention to break the seal of Ta-Lo since he believes his late wife is trapped there. When Shang-Chi and Xialing disagree with their father's beliefs, he sends them and Katy into a cell as he travels to Ta-Lo. The trio meet Trevor Slattery, an actor who once impersonated the Mandarin, and manage to escape from their cells with the assistance of the dijiang Morris. Traveling to Ta-Lo, Katy meets Shang-Chi and Xialing's aunt Ying Nan, and learns that she is an excellent archer by Guang Bo. Katy participates in the fight against the Ten Rings, and later battles the Soul Eaters after they were unleashed by Wenwu. She helps defeat Dweller-In-Darkness by shooting an arrow into its neck when it tries to kill the Great Protector, leading the evil creature's defeat.
After attending a memorial for those lost in the battle, Katy and Shang-Chi return to San Francisco as Xialing decides to stay and become the new leader of the Ten Rings. While having dinner with their friends, they are interrupted by Wong, who asks them to travel to the New York Sanctum with him to do research on Wenwu's ten rings. Katy and Shang-Chi meet the former Avengers Bruce Banner and Carol Danvers, and learn from Wong that the rings are emitting a signal to someone or something. After Banner and Danvers end their conversation, Katy, Shang-Chi and Wong go out to sing karaoke together.
To be added
Master Marksman: While in the dimension Ta-Lo, Katy learned that she was an excellent archer, which allowed her to fight against the Ten Rings and the Soul Eaters. Her talent proved to be pivotal in stopping the Dweller-In-Darkness, as she shot an arrow into the creature's neck to prevent it from killing the Great Protector.
Bilingualism: Katy can speak English, but admits that can't speak a large amount of Chinese, but can understand and speak little of the language.
Bows and Arrow: Katy was given a bow and arrow covered in dragon skin to fight against the Ten Rings and the Soul Eaters.
She incorrectly asserts Gordon has the most career NASCAR wins. In reality, Jeff Gordon sits third on the all-time wins list with 93 wins. Richard Petty (200) and David Pearson (105) are the only drivers with more.
She reveals that her Chinese name is Ruiwen to the Mandarin; Katy is the English name she chose.