Volume 4 · Plot · Full spoilers
The party forms between the invoice and the explosion.
The complete plot in ten pictured turns
Turn 1
Little Rookie
The Denatus turns Bell’s impossible six-week level-up into a public nickname before he has adjusted to the body that earned it.
Turn 2
Luck and Heroic Desire
Hestia adds Luck as Bell’s development ability while Argonaut emerges as a skill driven by heroic desire.
Turn 3
The smith without a contract
Bell needs armor repairs and meets Welf Crozzo, whose work is better than his Guild rank and cheaper than his name suggests.
Turn 4
The refusal
Welf will not make magic swords. Bell does not ask him to. That absence becomes the basis of trust.
Turn 5
Three become a party
Lilly’s caution, Welf’s craft and Bell’s momentum form a working unit for the lower Dungeon floors.
Turn 6
The infant dragon
Bell charges Firebolt through Argonaut and unleashes far more destruction than the party planned for.
Turn 7
Ushiwakamaru
Welf forges the Minotaur Horn into Bell’s crimson dagger, turning the rematch’s receipt into future equipment.
Turn 8
The thirteenth-floor line
The volume ends with the party choosing the middle floors rather than pretending the lower-floor success completed anything.
Turn 9
Quest X Quest
Blue Papillon Wings, a Dungeon pantry, Nahza’s debt and bloodsaurus eggs turn a shopping errand into an Orario economics lesson.
Turn 10
A Campanella to the Goddess
Bell’s first days with Hestia reveal the blue flower and silver bell hair ties as a small promise from before the crowds.
RaeRae’s connective tissue · the full version
A Level Two record gets Bell a nickname. Building a party makes him responsible for people.
Volume 3 ends with Bell doing the impossible in public. Volume 4 begins with Orario deciding what to call him. “Little Rookie” is both affectionate and diminishing, which is exactly the problem with fame arriving before Bell has figured out the new weight of his own body. The Denatus turns his private growth into divine gossip. Hestia’s status update makes the change more concrete: Luck joins his development abilities, and Argonaut appears as heroic desire translated into force. Bell has a new title, a new level and a skill whose ceiling nobody understands. What he does not yet have is a party built to survive where those changes are taking him.
Movement one
Public Bell versus actual Bell
The gods see the fastest Level Two advancement on record. Bell sees armor damaged by the Minotaur battle, a supporter he is still learning to trust as an equal and a Dungeon threshold that will not care about applause. The gap keeps the opening grounded. A title can change how strangers approach him; it cannot teach him how to lead.
Movement two
Welf enters through the bill
Bell needs repairs and cannot solve every problem by throwing more money at famous equipment. Welf Crozzo is talented, under-ranked and carrying a surname that makes other people hear “magic sword” before they hear him. Bell’s refusal to demand the one thing Welf will not make is the beginning of their friendship. He values the smith’s work without trying to own the family wound behind it.
Movement three
Three people become a system
Lilly reads danger, supplies and other adventurers. Welf reads weapons, armor and the physical cost Bell is too eager to ignore. Bell supplies momentum and a deeply inconvenient willingness to run toward somebody in trouble. Their first expeditions are not a perfect found-family montage. They are a negotiation over pace, trust and who gets to call the retreat.
The infant dragon problem
Argonaut answers Bell’s heroic desire with no interest in indoor volume control.
The party’s dragon encounter proves both the promise and the danger of Bell’s new skill. He charges Firebolt through Argonaut and produces destruction far beyond the neat tactical result anybody planned. The victory is real. So is the lesson: a spectacular ability used without a shared plan can endanger the people standing beside the hero. Lilly and Welf are not decorative witnesses to Bell’s greatness; their survival has to become part of how he measures success.
That explosion also gives Welf the information he needs. Bell is not merely a customer with unusual luck. He is carrying a heroic engine that will demand equipment designed around how he actually fights.
The horn becomes a future
Ushiwakamaru is a receipt with an edge
Welf forges the Minotaur horn into a crimson dagger. The material came from Bell’s worst fear and greatest victory; the weapon turns that history into something he can carry forward without being trapped inside it. Welf’s authorship matters just as much. The blade is proof that his craft can be personal, practical and powerful without becoming the magic-sword legacy he refuses.
The lower floors stop being enough
The thirteenth floor is a team decision
The party chooses the middle floors rather than treating one explosive success as certification. Bell may be the combat center, but descent belongs to all three. The choice is small compared with the Minotaur duel and more important for the long series: adventure becomes sustained work done by people who must return together.
Quest X Quest
Nothing in Orario is “just shopping”
Blue Papillon Wings, bloodsaurus eggs, a Dungeon pantry and Nahza’s debt turn errands into a map of the city’s economics. Ingredients have risk priced into them. Healers have obligations. Adventurers become labor for supply chains they barely notice while chasing monsters. The side story widens the franchise without pretending every meaningful conflict needs a floor boss.
A Campanella to the Goddess
Before Bell had a crowd, Hestia gave him a tiny sound that meant home.
The Hestia coda returns to their first days together and the blue-flower, silver-bell hair ties. Its scale is the point. Volume 4 spends so much time on Bell’s public identity—Level Two, Little Rookie, Argonaut—that the final memory restores the private relationship underneath it. Hestia loved the beginner who had no Familia prestige to offer. Bell’s gift and her hair ties become a visual promise that predates the attention now gathering around him.
The ending does not ask whether Bell is famous enough. It asks whether the new party can descend without losing the small loyalties that made descent possible. Welf has joined. Lilly is beside Bell by choice. Hestia remains the first home. The middle floors are waiting, and the story finally has a unit capable of meeting them.
Volume 4 is the bridge nobody should skip: the hero gets a title, but the boy learns that a party is not an audience. It is a promise to bring everyone back.