Bianca Del Ciao is a goat from Miriam Dom's herd who becomes a hellspawn familiar in the dungeon. She is identified as Miriam's pet when Carl first examines her, but she subsequently travels in Prepotente's care. Her growth gives the small caprid crawler a flying mount and a dangerous combat partner. Bianca remains with him after Miriam's death, while the unaltered members of their goat family are usually kept in carriers.
From herd member to familiar
Before the crawl, Bianca was an ordinary goat. An enhanced pet biscuit changes her into a familiar, rather than a speaking crawler like Prepotente. On the sixth floor, Carl's inspection identifies her by her full name, classifies her as a Hellspawn Familiar, gives her level as 32, and lists Miriam as her owner. That classification matters: although her appearance is monstrous, Miriam counts Bianca among her children. Miriam also calls the unaltered goats in carriers Bianca's and Prepotente's siblings. The family relationship precedes the dungeon's labels for pet and crawler.
Bianca's transformation is conspicuous when Carl encounters her in person. She is then about the size of a draft horse, with black skin, rising dark flames, radiating heat, and short wings. Carl hears crackling and chittering from her as she pulls the family's cart. Her presence is immediately practical as well as threatening. She can move injured companions, yet her heat and size make her difficult to ignore even when she is simply walking toward a town.
Miriam protects the goats according to their different abilities. She tells Carl that ten unaltered Boer goats remain in pet carriers and that she seldom releases them except in saferooms. Bianca, by contrast, can be brought out to pull a cart or defend the family. That distinction does not make her expendable. When Miriam's vampiric condition creates a risk that she will enter a ravenous state, she moves her surviving children into Prepotente's inventory rather than keep them on her person. She specifically includes Bianca in that count. By this point the carrier arrangement has become part of the family's response to Miriam's changing condition, not merely a convenience for travel.
The sixth-floor journey
Bianca helps bring Carl and Donut out of danger after Carl is badly injured in a hunter encounter. Donut credits Miriam, Prepotente, and Bianca together with saving him. When Carl awakens in a cart, Bianca is pulling it, Miriam is attending to him, and Prepotente is scouting ahead. Their coordinated roles make the rescue possible: Bianca supplies transport while the two crawlers guard and treat a companion who cannot yet walk himself to safety.
The cart journey also shows how closely Bianca responds to the family's tensions. After Carl destroys traps near the road, Prepotente takes the act as a personal insult and tells Bianca to prepare for a fight. The flames on her back rise. Miriam stops the confrontation and insists that they will not attack Carl. As Prepotente calms down, Bianca keeps pulling and her flames subside. The scene establishes both her capacity to become a threat at his command and the restraint Miriam exercises over the pair. Carl's fear of her is understandable, but she does not attack him.
Her presence affects the other crawlers' handling of their own animals. Donut waits until she and Carl have separated from Miriam's group before releasing Mongo; she does not want to bring the dinosaur out near Bianca. Later, as Prepotente and Bianca become an established mounted pair, they are treated as a potential target by hunters equipped for attacks from the air. Bianca's increasing size and mobility give the family options that the carrier-bound goats do not have, while also making her visible to enemies who prepare for flying opponents.
The Club Vanquisher confrontation
An earlier incident in Club Vanquisher is revealed through Milk, the guildmaster of the hidden Calligrapher's Guild. Milk infers that Miriam has been denied access because she is now a vampire. Prepotente protests against the guards and orders Bianca to attack them. Miriam tells him to stop because more guards are coming. The three enter Milk's concealed guild room while trying to get away from the confrontation.
Bianca's arrival nearly turns a refuge into another fight. Her hooves smolder against the carpet and nearby newsletters catch fire. She prepares a heat attack against Milk, who uses a protective power word and is burned by its application but survives the wave. Miriam calls Bianca off. She then apologizes, obtains a salve from Prepotente for Milk, and explains that ordinary healing potions are poor treatment for Bianca's burns. Milk asks for the familiar to be stowed before the room burns; Miriam calls Bianca over and puts her into a carrier. The sequence shows a powerful attack that Miriam interrupts, followed by care for the person it harmed. It does not show Bianca independently hunting or eating the club's clerics.
Milk's encounter has consequences beyond the immediate escape. Much later, Prepotente tells Carl that he, Miriam, and Bianca befriended a guildmaster inside Club Vanquisher, received an interior map, and used a hidden exit from the guild area. Bianca was present when the family first reached Milk, and Prepotente includes her when he describes that connection. His account also establishes that the family's visit yielded useful knowledge of the club, despite the hostile guards and Bianca's damaging entrance.
Miriam's death and a new mounted pair
Miriam dies during the sixth-floor events. Before Prepotente brings Bianca out again, Carl worries about how the grieving goat might react and whether he will unleash her. When Bianca materializes, she has advanced from level 33 to level 40 within days. Her wings are now fully formed and black, she wears a saddle, and her body is roughly the size of a large rhinoceros. Prepotente mounts her and tells her that Miriam is gone. He forbids her from eating the nearby crawlers, then observes that the two of them can fly. His words suggest he treats her as a companion who can receive news and direction, although Carl cannot verify a spoken reply from Bianca.
Prepotente announces his intention to pursue those he holds responsible for Miriam's death and leaves on Bianca's back. Dark flames move over her body and appear around her rider as well. She flies away while nearby raptors recoil from her. The departure is a change in the pair's purpose as well as their movement: the mount that recently pulled a family cart now carries Prepotente into his own campaign. Bianca survives Miriam, and the two transformed goats continue together.
Prepotente's use of a carrier remains important after he takes responsibility for her. During an earlier paralysis that keeps him from releasing her, Miriam reports that Bianca is in his inventory and cannot be let out until he recovers. This is a concrete limit on her availability: her strength is of no help while the crawler carrying her is unable to summon her. On the ninth floor, the same storage mechanic lets him put her away when a planned infiltration requires pets to be absent, even though she can otherwise traverse the battlefield in flight.
The Butcher's Masquerade
Bianca appears beside Prepotente during the later sixth-floor campaign. Outside a pub, rain sizzles when it strikes her back. She remains outdoors while he speaks with Carl and Donut, and she screeches when he returns. At the Masquerade's stage, her heat affects the setting without a deliberate attack: after Prepotente brings her onstage, the wood smolders and catches fire, and attendants work to extinguish it. Physical proximity to Bianca can therefore cause damage even during a public appearance.
In the battle surrounding Queen Imogen, Bianca's flight becomes an active combat advantage. As crawlers and enemies fall into the castle's lower area, she cuts through a group of nymphs with Prepotente riding her. He uses shields and throws potions from the saddle while she drives through the airborne opposition. Carl later sees her fly over him as Prepotente leaps down carrying potions. The text presents them as a joint fighting unit: Bianca provides speed, mass, and a route through the aerial melee; Prepotente attacks and protects himself while mounted.
Her appetite also creates a real risk to allies. Donut later reports that Bianca ate Gimli, a pet hawk belonging to the crawler Osvaldo, during the Masquerade chaos. Donut consequently puts Mongo away. The incident is confirmed in the following book when Carl recalls that Gimli was eaten by Prepotente's familiar. It explains why other crawlers can cooperate with her rider while still being wary of releasing smaller pets around Bianca. Her participation in the fight does not make every nearby animal safe from her.
After the Masquerade
Bianca remains Prepotente's closest visible companion after Miriam's death, but she cannot replace conversation. Donut describes Bianca as friendly once one knows her, while also saying that she does not talk and hisses frequently. Donut worries that Prepotente is lonely because he is outside the guilds and clubs available to some other crawlers. Later, when Prepotente breaks down while speaking with Carl, he calls Bianca good company but says explicitly that she cannot speak. The two assessments agree on the essential limit: Bianca stays with him, yet his isolation from other people persists.
The loss of Gimli follows them beyond the immediate battle. On the next floor, another crawler associates Prepotente with Gimli's death, though the actual eater was Bianca. Carl identifies the hawk and its owner when recalling the incident. Bianca's actions thus affect how other crawlers approach Prepotente. Her loyalty to the household and her danger to someone else's pet exist at the same time; neither cancels the other.
The ninth-floor war
By the ninth floor Bianca has grown further. Carl sees her at level 70 and describes her as fully grown, longer than a swamp yak and equipped with a second pair of wings. Her horns glow, steam rises from her eyes, and the rocks beneath her feet redden with heat. When Samantha climbs onto her back, Prepotente objects and orders her off his mount. Bianca remains the animal he rides and guards closely, even while she is physically imposing enough to draw the group's attention on her own.
Bianca's flight is used for observation as well as transport. Prepotente reports that they are watching enemy movement from high above near the southern border with the Naga. He identifies concealed mercenaries and preparations by elf trebuchets. The report depends on the vantage Bianca gives him; it also shows that the mounted pair are gathering information for allies rather than only charging into direct combat. When the group approaches an infiltration for which Mordecai's aura potion will not work on pets, Prepotente stores Bianca. Her usual presence is therefore adjusted to the needs of a particular operation.
When Prepotente vanishes during a later battle, Bianca lands alone near Carl, screaming and striking the ground so that foliage catches fire. Carl tells her where he believes Prepotente has been taken and points toward Eris. She flies off in that direction. Her reaction is directly observable; whether she understands every detail Carl gives her is not established. It is nevertheless a distinct moment in which she seeks her absent rider rather than wait passively in a carrier.
In another nighttime engagement, a dark flying shape intercepts two lights moving out from Larracos. Carl recognizes it as Bianca when an explosion illuminates the sky. She appears injured, falls trailing smoke, and later rises again. Carl subsequently believes she killed one of the war mages traveling in the attack, while the other reaches its destination. His initial view is confused by distance, darkness, and the explosion, so the scene establishes her interception and apparent injury more firmly than the exact mechanics of each impact.
Bianca continues appearing with Prepotente after these battles. She carries him back to Carl's group during the search for Li Na and later lands beside Donut and Mongo when Prepotente offers another crawler a spare pet carrier. Those ordinary arrivals matter alongside her spectacular attacks: they show that, through the ninth-floor fighting, she remains Prepotente's regular means of travel and the surviving member of Miriam's transformed goat family beside him.