While a typical anime "cour" is about 12 episodes, this specific arc is often considered "long" or substantial because it covers the entirety of , one of the most content-heavy volumes in the series. Key Details of the Arc Release Window: It aired from January 7 to March 18, 2023.
It is noted for a major tonal shift, becoming significantly darker and more "depressing" than previous seasons as it focuses on survival horror and Ryuu's tragic past with the Astraea Familia. Danmachi IV: Fuka Shou - Yakusai-hen 2
(also known as Is It Wrong to Try to Pick Up Girls in a Dungeon? IV Part 2 ) is a significant "long piece" of the series, spanning 11 episodes (Episodes 12–22 of the overall fourth season). While a typical anime "cour" is about 12
The 11 episodes in this part total approximately 271 minutes (roughly 4.5 hours). Episodes in Part 2 (Yakusai-hen) Episode 12: "Victim" (Amphisbaena encounter) Episode 13: "Morgue" (Bell and Ryuu on Floor 37) Episode 14: "Daphne Lauros" Episode 15: "Ignis" Episode 16: "Welf Crozzo" Episode 17: "White Palace" Episode 18: "Desperate" Episode 19: "Colosseum" Episode 20: "Astraea Familia" Episode 21: "Daydream" Episode 22: "Luvia" (Season Finale) (also known as Is It Wrong to Try
This arc, titled the "Calamity Arc" (or Deep Chapter), follows Bell Cranel and Ryuu Lion as they fight for survival on the 37th Floor (the "Deep Floors") after being separated from their party.