One Punch Man fans are still waiting for an official announcement regarding the third season of the anime, and it seems that they will have to remain patient for a while. But if a person does not want to keep waiting, they can go through the manga.
The manga is extremely amazing, and it has incredible art. As expected, the manga is ahead of the anime, so there are many more arcs that fans can read. Each arc has its strengths and weaknesses, which affect its popularity. With a plethora of arcs available, One Punch Man fans can take their time going through them. However, some of the arcs stand out a lot more than the rest.
Only arcs with more than two chapters have been included.
12 House of Evolution arc
After an interesting first arc, the manga shows how a strong character like Saitama still suffers from some normal people's problems, such as not being able to swat mosquitoes.
The arc introduces the House of Evolution, an organization that creates monsters. Saitama and Genos eventually come across the House of Evolution and destroy it completely. The arc has a decent amount of action, and it shows how Genos and Saitama have grown close.
11 Saitama Introduction arc
The Saitama Introduction arc is the very first arc in the series. As the name suggests, it introduces Saitama to the readers and helps them understand what kind of individual he is. It also gives the audience an idea of what to expect from the series going forward.
The arc also gives the audience a glimpse of Saitama's powers and how easily he is able to defeat fearsome monsters without breaking a sweat.
10 Paradise Group arc
The Paradise Group is filled with criminals who are bald. As the group's reputation begins to grow, Saitama decides to curb its advances to protect himself from being associated with them. However, Sonic ends up defeating most of the members save for Hammerhead, who flees.
Due to Hammerhead's bad luck, he runs into Saitama, who destroys his armor completely. Afterward, Sonic attacks Saitama, but he realizes that he is extremely outclassed.
9 The Blizzard Group arc
In this arc, the Blizzard Group introduces themselves to Saitama. Fubuki is the leader of the group, and she asks Saitama to join her side, but he refuses. The arc also includes Sonic's return and his fight against Genos. The two characters keep trying to get the better of each other.
When things get serious, Saitama steps in and protects Genos from the speedy ninja. Sonic goes all out against Saitama, but the hero manages to overwhelm him yet again.
8 National Superhero Registry arc
The duo of Saitama and Genos finally arrive at their destination to give the National Superhero Registry exam. Saitama manages to break all sorts of records in the physical exams, but he struggles in the written ones.
Genos does well in both the physical and written exams. After they get their results, Genos lands a spot among S-Class heroes, while Saitama is placed among C-Class heroes.
7 Hero Hunt arc
The Hero Hunt arc is the twelfth arc in the One Punch Man manga. In the arc, the threat of Garou begins to spread. He attacks and defeats Tank Top Master with ease. Luckily, Tank Top Master manages to survive.
The S-rank hero tells Saitama about the power of the Hero Hunter and how he only targets strong heroes. Toward the end of the arc, Garou does attack Saitama, but the latter knocks him out with a single attack.
6 Sea Monster arc
The Sea Monster arc focuses on the attacks of the sea folk. These dangerous creatures emerge from the water bodies and begin attacking cities and killing people.
Some heroes manage to defeat a few sea folk, but none of them are able to touch the Deep Sea King. The arc showcases how difficult it is to be a hero and how easily people can turn against upholders of justice.
5 Psychic Sisters arc
The Psychic Sisters arc takes place after the events of the Monster Association arc. It focuses on the backstories of Tatsumaki and Blizzard, the two psychic sisters. They were introduced early on in the series, but there was little to no information available about how they gained their psychic powers.
Thankfully, all those questions were answered in the arc. The Psychic Sisters arc also introduced new characters, and they might have a role to play in the future. As the arc is still ongoing, it is tough to rank it.
4 Super Fight arc
This arc focuses on a big fighting tournament that attracts the attention of Saitama. The bald hero takes up an alias to participate in the tournament in hopes of finding a worthy opponent.
The arc also put other characters, such as Puri-Puri Prisoner, Garou, and Suiryu, in the spotlight. It also gives the audience an insight into the process of monsterization.
3 Monster Raid arc
The Monster Raid arc sees the Hero Association making plans to counter the threat of Garou, the Hero Hunter. It puts the onus on Metal Bat and his fight with Elder Centipede, one of the strongest Dragon-level threats.
The S-Class hero later fights against Garou, who takes advantage of Metal Bat's bad condition. The Monster Association also starts sending its members to raid places throughout the nation.