HXH is by far one of the best displayed anime there will ever be. It plays a great role in showing character development and emotional bond and the story is binge worthy, although I do recommend a break between s4 (Greed Island Arc) and s5 (Chimera Ant Arc). The Chimera Ant Arc is very long and a complete different story than what you've seen until then so it can be hard to follow if you've just finished s4, but nevertheless, a great arc in anime history. The last season (13th Chairman Election Arc) isn't that great by itself, but it makes sense with everything that has happened.