Considering your preferences, "Akame Ga Kill" could be a good fit. It delivers fast-paced narratives, diverse characters, and intense action, exploring mature themes like corruption and betrayal. However, its flaws may appeal to only some. If dark fantasy anime with action and anti-hero narratives intrigue you, "Akame Ga Kill" could be rewarding.
This is arguably one of the most controversial aspects of the season. While the initial seasons did a fine job capturing the hopeful feel of the initial arcs, Horikoshi started to implement more serious and darker tones in the manga, showing how his art became much more detailed and sophisticated over the years.
However, the third season of My Hero Academia has a severe problem: the cracks begin to show. While the season isn’t awful, it is a considerable decline from what happened in the previous two, showcasing some of the struggles the story is having because some tropes are repeated in a way that no longer has any impact.