A huge part of Attack on Titan’s popularity is how Hajime Isayama shifted tones and moods between different stages and seasons in the series. The thrilling twists kept fans hooked to the narrative while building up the excitement for future events.

The fourth season of Attack on Titan showcased Eren’s descent to evil and moral ambiguity, thus marking an important point in his journey. When the anime switched studios, fans were unhappy with studio Mappa’s art style. It looked more grim and intense, and every emotion on the characters’ faces was much more pronounced.

Willy Tybur in Attack on Titan anime | Credits: Studio Mappa

Gradually fans warmed up to the new art style and realized that Mappa was one of the best studios to handle the final seasons of the series. Whatever lingering doubts fans had were resolved with one episode titled ‘Declaration of War’, and here’s how that happened.