Donna Schlag

"She will rain Tonitrus Bolts to any student for any infraction, no matte how minor! They say she single-handedly expelled over 100 students!"

- Bill Watkins about Donna Schlag in Chapter 61

Donna Schlag (ドナ・シュラーグ) is a teacher and a member of Eden Academy's disciplinary committee. She takes pleasure in giving as many students as she can Tonitrus Bolts for whatever small reason.

Appearance
Donna is a stout, middle-aged woman. She has short, bobbed hair, and her hairline has a lightning-shaped pattern. She is seen wearing sharp cat eyeglasses and dark lipstick.

Donna's outfit consists of a tiger-print dress under a black collarless coat and a large belt fashioned with a square buckle with the shape of the letter 'R' in the middle. She accessorizes with squared earrings and a necklace with the 'R,' which is held at the corner. She also wears white gloves, each fitted with two rings on the middle and index finger. From left to right, the rings have the letters 'E' and 'C,' the initials for Eden College. For footwear, she wears black heels.

Personality
Donna is extremely strict when it comes to following the rules, as she will punish any student for any infraction, no matter how minor. When Anya reads her mind, it is revealed that Donna takes pleasure in these punishments.

History
As "Old Lady Tonitrus," Donna is feared among Eden's student body and is rumored to have single-handedly expelled over 100 students. Before the start of the school year, Donna was hospitalized for unknown reasons.

WISE Arc
As the cloudy skies cover Eden Academy, Donna Schlag walks through the school grounds. Upon noticing a student smoking behind a pillar, she gestures to a man to hand her a box. With a loud clap of thunder, the student suddenly faints to the ground with a Tonitrus Bolt on his forehead as Donna walks away.

Outside of Cecile Hall's classroom, Bill Watkins runs towards Anya Forger and her classmates to warn them about Donna. Outside, a pair of messily dressed older students complain about the noisy first-years and suggest "shutting them up." Donna is behind them, and upon hearing this, she reaches into a box filled with Tonitrus Bolts before penalizing the boys for their unkempt uniforms, uncouth speech, and conspiring to commit acts of violence, placing Tonitrus Bolts on their foreheads. After this, Donna turns and poses, having hit them with her "Tonitrus Strike." The assistant compliments Donna on her bestowal of Tonitrus Bolts as she disparages the students of Murdoch Swan's Cline Hall. Henry Henderson arrives and greets her on her return as he looks at the fainted students. Donna smirks at Henry as she suggests visiting his students next and walks away.

Back at the class, Bill explains Donna's prior absence and her fearsome reputation for handing out Tonitrus Bolts for any infraction, rumored to have single-handedly expelled over a hundred students. He warns them to run away as his classroom has already fallen victim to "Old Lady Tonitrus" and faints. Before the students can escape, Donna is already in front of them and introduces herself, instructing them to line up and prepare for a bag inspection. In the classroom, Donna checks the students' bags, giving out Tonitrus Bolts for snacks, playing cards, and even not knowing the rules. Reading her thoughts, Anya discovers that Donna is gleefully having fun with punishing the students and is terrified.

After punishing a student for not bringing his handkerchief, Donna recounts the tale of an honor student who wiped his hands on his pants as he forgot to bring his handkerchief after using the washroom. This earned him the nickname 'Mr. Pee Pants,' and he eventually got himself expelled for being a troublemaker. During Damian Desmond’s turn for the bag inspection, Donna sees his handkerchief has the letter A, which she questions. Damian explains it is for the A on his name, so she accepts it. Next, Anya goes forward, and Donna gives her a Tonitrus since she did not bring a handkerchief. Damian attempts to speak up for her, but Anya stops him. Donna suspects the children are colluding and intends to give them two bolts each if she finds out they tricked her, but nothing happens. After finishing the bag inspection, Donna leaves Cecile Hall.

Red Circus Arc
At Eden Academy, some teachers learn that two of their school buses carrying their first-years got hijacked. As they gather to discuss the situation, Donna is seen to be worried as Henry says he will inform the principal and instructs the teachers to prevent the news from reaching the other students or the media.

Henry Henderson
As fellow teachers, Donna and Henry are familiar with each other. When she returns to Eden, she believes that he has gotten soft due to the influence of his first-year students. While her methods are strict, Henderson hopes they are her way of refocusing the student body as they acclimate to school life.

Chapter Appearances

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Trivia

 * Her name comes from the German word Donnerschlag, which translates to "thunderclap" or "thunderstrike".
 * Donna is one of the least-favorite teachers at Eden, the other being Murdoch Swan.