It has been serialized in Shueisha's Shōnen Jump+ app and website since April 2024, with its chapters collected in three tankōbon volumes as of January 2025.

Julian is a young boy who, after killing the blacksmith his mother sold him to, flees as a stowaway in a slave ship.

After trouble aboard the ship, the slaves are slaughtered by the indebted captain, but this accidentally calls forward an eldritch sea entity who, for the blood of the 100 killed slaves, including Mira, gifts Julian with their combined strength and their 100 lives.

Now empowered and indebted to the 100 slaves killed protecting him and Mira's newborn daughter, Diana, he sets off to a new country to raise her.

Vanessa Piña of Screen Rant highlighted the significant influence of Berserk on Centuria, particularly praising its art and monster designs.