Anime Like The Ossan Newbie Adventurer, Trained to Death by the Most Powerful Party, Became Invincible

While he once had the childhood dream of becoming an adventurer to defeat fierce dragon Kaiser Alsapiet who terrorizes the world, reality crushed his young dream and weak Rick Gladiatol resigned himself to being a guild receptionist for the Adventurer’s Guild.

However, after meeting a legendary adventuring group called Orichalcum Fist that shares his goal, they offer to train this now-30-something middle-aged man to become an adventurer.

After being brutally trained to death for years, Rick emerges with S-class abilities despite having to start out as an F-ranked rookie adventurer.

After his parent’s death, Noor travels from his country home to fulfill his dream of becoming an adventurer. However, after discovering that he is not particularly skilled in any adventuring class, the guild turns him away.

However, he is told that if he practices a single skill enough, he can unlock others. So he practices his most useful skill that he is adept at – parrying. After years, he can eventually parry a thousand swords in a single swing, but he failed to gain any other more useful skills from that training.

Eventually able to start at a special low rank as an adventurer with the guild, Noor and his parry skill end up thwarting an assassination of a princess that leads to him becoming entangled in the country’s political affairs.

In ancient times, those who saved humanity settled outside of the infamous Last Dungeon. Their descendants have all been strong enough to survive in the area by building a community.

Lloyd is one such descendant, but the weakest in the village.

Hoping to grow strong, he heads to the Kingdom of Azami to enroll in their military academy. However, in this starter zone, Lloyd’s powers seem otherworldly to everyone around him.

For years, grotesque giant monsters have appeared suddenly to attack Japan. To combat the destructive threat, the Defense Corps was established to fight them and the Professional Kaiju Cleaner Corporation was created to clean up the massive remains.

Kafka Hibino is a middle-aged man who works as a sweeper cleaning up remains despite his big childhood dreams of becoming a Defense Corps member with his childhood friend. While his friend thrives as a powerful asset in the Defense Corps, Kafka has failed the recruitment exam numerous times.

After meeting an ambitious new recruit to his sweeper unit named Reno, a kaiju attack leaves them both in the hospital where a small, parasitic kaiju embeds himself in Kafka and turns him into a monster.

With Reno’s help, Kafka is able to flee and eventually transform back into a human, but he is left with the ability to become a kaiju at will and has access to superhuman abilities that he can use to fight kaiju.

Dariel is a dark soldier in the Demon King’s army – or rather, he was. After the son of the previous demon general took over, he swiftly fired Dariel for a lack of power and supposed usefulness.

Set adrift, Dariel rescues a girl from a monster in the woods and she takes him to her village. There, he discovers that he wasn’t actually a demon, but is a human – and an incredibly powerful one.

Now he pays the village back for all their kindness by helping them out.

Rentt Faima is an adventurer who has been grinding out low-level adventuring jobs for nearly a decade. With little talent for the job, he is stuck in the low adventurer ranks, killing low-rank monsters just to make a living wage.

While doing a job in the Water Moon Dungeon, he discovers a hidden path and decides to explore it. However, at the end of the path is not treasure, but a legendary dragon that swallows him whole!

Waking up awhile later, Rentt discovers that he is very much dead. He has somehow been revived as a skeletal undead. Armed with just his sword, Rentt fights other weak monsters in the dungeon hoping to experience the Existential Evolution that monsters can go through after killing other monsters so that he may someday become a high enough ranked undead to blend back into human society.

Ken Usato is an average high school student, but one day while walking home with the high-achieving president and vice president of the student council, he is summoned along with them to another world.

It seems that the king of that world meant to summon his two classmates as heroes and Usato got summoned by just being close to them at the time. Accepting that he is now stuck there, he has his abilities accessed along with his new friends. He discovers that he has the rare ability to heal others – which makes him the immediate target for training by the fiercesome leader of the Rescue Corps, Rose.

Dragging her new candidate to their headquarters, Usato’s brutal training begins!

After suddenly dying, a salaryman wakes to find himself in another world and in the body of a young teen. Taking up the name of Luciel, he decides to become a healer in order to help people and lead a peaceful life.

Discovering the world is incredibly dangerous, Luciel heads to the Adventurers Guild to try and train his body so he won’t immediately be killed on the road. There, he discovers that healers have a rather poor reputation among adventurers for charging prices so high that adventurers either die due to not being able to afford treatment or trade their life for being sold into slavery.

Working at the Adventurers Guild in return for martial training, Luciel offers his healing skills to wounded adventurers and hopes to someday right the corrupt system.

After years of reading self-improvement books, “weak legs” Kenichi finally works up the courage to join the karate club. Unfortunately, his school bully challenges him, intent on literally kicking him out.

While all hope seemed lost, new classmate Miu invites him to her dojo for training. While he was able to defeat the bully, his new strength attracted the attention of a powerful group of students, and in order to overcome them, he must train in many martial arts styles.