[xhrios9889]

I watched all seasons one punch man. Im trying to find some good action animes or mangas just like it.
Any recommendations please?

[MEHMEH696]

My Hero Academia might be your nest bet

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Best*

Sorry i couldn't edit my previous post

[Ruvick]

I would recommend Tower of God, Tsuki ga Michibiku Isekai Douchuu, and kakegurui. I would also majorly recommend checking out To Your Eternity.

[thundereder9t8y]

Vinland Saga is a sleeper. It is so good.

[mrmungbeans]

Evangelion was one that I really liked so give that a go.

[PPeasant413]

Fullmetal alchemist is a must watch
Hunter X Hunter is also very good
Haikyuu Is fun, but it's a sports anime so be warned

[jbob612]

Attack on Titan and JoJo's bizarre adventure are really good

[Patoel]

Shingeki no Kyojin, Vinland Saga, Fullmetal, Hunter x Hunter

[gespina582]

Shijou Saikyou no Deshi Kenichi
Apart from the previous comments, this one is good too

[TheDough300]

If you like figthing anime,

I would really reccomend Naruto, it has one of the best choreography out there

If you like seinen/mature 

Beserk manga

AOT and Vinland Saga ANime

[yaknowdavibez30]

mob psycho, google it