Mashle: Magic and Muscles: A New Antagonist Appears

While Mashle has strongly focused on episodic antagonists so far, it looks like the series found a permanent villain.

Mashle: Magic and Muscles' review: “The Unpopular Classmate”

Abyss Razor, Mashle Wiki

Lauren Cabasse, Mashle Wiki

Mashle: Magic and Muscles Season 2 Unleashes Next Level Awesomeness - Release Date Revealed!

Rumours Confirm Mashle: Magic and Muscles Will Get An Anime Adaptation

Mashle: Magic And Muscles Episode 11 Review - But Why Tho?

MASHLE: MAGIC AND MUSCLES Mash Burnedead and the Survival of the Fittest - Watch on Crunchyroll

Love Cute, Villains Wiki

MASHLE: MAGIC AND MUSCLES New Character Visuals : r/anime

Mashle: Magic and Muscles, Vol. 5: Mash Burnedead And The Magic Mirror eBook : Komoto, Hajime: : Books

Mashle: Magic and Muscles episode 11 - Mash rescues Lemon, Innocent Zero infiltrates Magia Lupus' base

Mashle: Magic And Muscles Episode 10 Review - But Why Tho?

Doom (Mashle: Magic and Muscles), Villains Wiki