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The late Kentaro Miura’s magnum opus. This dark fantasy epic follows Guts, a lone mercenary, through a brutal world. It is famous for its hauntingly detailed artwork and deep exploration of human resilience. 3. Slice of Life and Romance

Here is an interesting paper on the subject:

: The standout manhwa-to-anime adaptation that follows Sung Jinwoo's transformation from the world's weakest hunter to its strongest. City the Animation