MTL - Tempest of the Battlefield - ~ 538 soldiers

“I don't want to die anymore, so I'll aim to be the strongest――!”After being stabbed by a random attacker, he was reincarnated in Japan, a place where 'demons' like yokai and monsters exist――and moreover, he was born into a family of 'exorcists' who exorcise these monsters!Exorcism is an important job that involves killing monsters, but it is also a dangerous job where people can die.Therefore, he――Itsuki, made a decision.In order to never die again, he would become strong.He aimed to be the strongest and practiced magic tirelessly since he was a baby――until he realized.“Huh? Isn't this too much?”This is the story of an exorcist who, despite being an ordinary person, became the strongest without realizing it due to excessive effort.

Once through the pirates, Lu En became the son of Monkey d Dragon, a grandfather named Monkey d Karp, and an unreliable and neurotic younger brother named Luffy.

Fortunately, the ghost back system is activated!

The completion of the ghost back is 10%, and the training effect is increased by 100 times!

The completion of the ghost back is 20%, and the training effect is increased by 1000 times!

…

One day, Lu En, a ghost-backed master, appeared in front of Luffy who was shouting to go to sea, and made Luffy cry on the spot.

Luffy: “The pirates in the sea are all monsters like my brother? I don’t want to go out to sea!”

Garp: “For a long time, the two boys, Long and Luffy, with small arms and calves, I really doubt that they are not my sons and grandsons. Like Lu En, they are the grandsons of the old man!”

Warring States: “The strongest creature in the sea, land and air is Kaido? No, it’s Lu En!”

- Description from novelbuddy

“Heroes killed my parents. Now I wear the mask of one. Until I can bury them all.”At seven years old, Hernan Vale watched his parents — two powerful heroes — brutally executed in their own home by the very people they trusted most: the legendary super-team known as the Zodiac 13.They thought he was dead.They made sure the world blamed villains.They covered their tracks.But Hernan survived — and never forgot.Ten years later, under a false name, Hernan enters the prestigious Hero Academy, hailed as a prodigy. To the world, he’s a rising star. To his classmates, he’s charming, calm, unstoppable.But inside?He’s a weapon. Waiting. Smiling. Counting names.As he trains to become a licensed hero, fights real villains, and rises through the ranks, Hernan plays the long game — earning the trust of the Zodiac, learning their routines, studying their weaknesses. One by one, he’ll bring them down.And this time, he won’t hide in the closet.But the deeper he goes, the more blood he spills — the more he wonders if he’s becoming worse than the monsters he’s hunting.And when love, loyalty, and lies collide, Hernan may have to decide:Will he save the world like they think he will...or finish burning it down?