Yes, it is 1,000+ episodes. Yes, that is intimidating. But One Piece is the best-selling manga in history for a reason. It follows Monkey D. Luffy and his Straw Hat crew as they search for the legendary treasure, the One Piece.
Attack on Titan is arguably the most important anime of the last decade. Set in a world where humanity lives behind massive walls to escape man-eating giants (Titans), the story begins as a revenge tale but spirals into a complex moral war about freedom, prejudice, and genocide. hentaismile
A man is stabbed and reincarnates as a slime monster named Rimuru in a fantasy world. Instead of fighting, he uses his unique skills to befriend monsters and build a peaceful nation. Yes, it is 1,000+ episodes