What a Twist!

Dark Shadow is a sentient, bird-like monster attached to Tokoyami, characterized by its shadowy appearance, yellow eyes, and ability to grow into a massive, uncontrollable form in darkness. The U.A. High School hero course features Class 1-A with students like Midoriya and Bakugo, and Class 1-B, which includes characters such as Monoma and Shiozaki, each with unique, powerful abilities 1A: Izuku Midoriya (Deku): The main hero, uses One For All for extreme power.Katsuki Bakugo: Midoriya's rival, creates huge sweat-fueled Explosions.Shoto Todoroki: Master of elements, uses Half-Cold Half-Hot (ice and fire).Fumikage Tokoyami: Hosts Dark Shadow, the powerful monster from your question.Ochaco Uraraka: A kind girl who manipulates Zero Gravity by touching things.Tenya Ida: The fast class representative with Engine legs.Eijiro Kirishima: A manly fighter who uses Hardening to become rock-solid.Momo Yaoyorozu: The smart vice-rep who can do Creation of items from her body.Tsuyu Asui: A reliable girl with Frog abilities like high jumping.Mina Ashido: An energetic dancer who shoots corrosive Acid.Denki Kaminari: The funny guy who uses Electrification but shorts his brain out.Kyoka Jiro: Uses her Earphone Jack ears to attack with soundwaves.Mezo Shoji: The multi-armed scout with Dupli-Arms who tried to save Tokoyami.Hanta Sero: Shoots strong, sticky Tape from his elbows.Mashirao Ojiro: A martial artist who fights using a strong Tail.Toru Hagakure: The cheerful, completely Invisible girl.Minoru Mineta: A small boy who throws sticky purple Pop Off balls.Yuga Aoyama: A flashy boy who shoots a Navel Laser from his belly button.Rikido Sato: Gets a massive Sugar Rush strength boost from eating sweets.Koji Koda: A shy giant who speaks to animals via Anivoice. 1B: Itsuka Kendo: The smart big-sister leader of 1-B with giant Big Fists.Neito Monoma: The loud rival who uses Copy to steal other people's powers.Tetsutetsu Tetsutetsu: Just like Kirishima, but turns his body into Steel.Ibara Shi