Fabula
S2E19 · Crater of Needles

Barbara learns of the Animus and Menoptra’s doomed rebellion

Barbara, struggling with Vortis’ toxic atmosphere, presses Hrostar for answers about the Menoptra’s forced labor. He reveals the vegetation they harvest feeds the Carsinome—a structure growing toward the planet’s center, where the monstrous Animus resides. When Barbara asks what lies at the core, Hrostar admits no one who has seen it has survived, but the Menoptra call it the Animus. He then describes the Menoptra’s failed attempt to liberate the Zarbi, a disaster that left their weapons useless and their forces scattered. The revelation underscores the Menoptra’s desperation and the Animus’s terrifying power, while Barbara’s probing deepens her understanding of the war’s true stakes. The mention of the untested Isotope weapon hints at the Menoptra’s last-ditch gambit, raising questions about its efficacy and the companions’ role in the coming conflict.

Plot Beats

The narrative micro-steps within this event

2

Barbara presses Hrostar to reveal what lies at the center of the Carsinome, and he ominously tells her of the Animus, a terrible force that no one has seen and survived.

curiosity to dread

Barbara asks about the Zarbi that oversee their work, prompting Hrostar to explain that the Zarbi are controlled and lack individual motive and communicate the ill-fated story of the Menoptra's previous attempt to liberate the slaves.

inquiry to disheartened revelation

Who Was There

Characters present in this moment

5

A mix of alarm and determination—surface curiosity masking a growing sense of urgency and moral outrage as she grasps the scale of the Menoptra’s oppression and the Animus’s threat.

Barbara, a human companion to the Doctor, endures the Crater of Needles’ toxic atmosphere with visible strain—her eyes sore, her breathing labored. Despite her physical discomfort, she remains intellectually sharp, pressing Hrostar for answers about their forced labor and the true nature of the Carsinome. Her questions are probing yet measured, revealing her role as both an observer and an emerging ally to the Menoptra. She listens intently to Hrostar’s revelations, her expression shifting from curiosity to alarm as the horror of the Animus and the Menoptra’s plight becomes clear.

Goals in this moment
  • To understand the purpose of the Menoptra’s labor and the true nature of the Carsinome/Animus, so she can assess the danger and potential solutions.
  • To build trust with Hrostar and the Menoptra, positioning herself as an ally in their resistance against the Zarbi and the Animus.
Active beliefs
  • The Menoptra’s cause is just, and their suffering under the Zarbi is unjustifiable.
  • The Doctor and her companions may play a crucial role in aiding the Menoptra’s rebellion, given their knowledge and resources.
Character traits
Intellectually curious (seeks understanding of the Carsinome/Animus) Empathetic (concerned for Hrostar’s wing damage and the Menoptra’s suffering) Resilient (endures toxic conditions to gather information) Strategic (asks pointed questions to uncover the broader conflict) Defiant (implied by her willingness to challenge the status quo)
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Hrostar
primary

A weary defiance—surface exhaustion masking a deep, unyielding determination to resist, tempered by the crushing weight of past failures and the looming threat of the Animus.

Hrostar, a wingless Menoptra enslaved in the Crater of Needles, labors alongside Barbara under the watchful eyes of Zarbi sentries. His physical presence is marked by exhaustion—both from the toxic atmosphere and the weight of his permanent wing damage, which he admits renders him flightless forever. He speaks in a measured, weary tone, revealing the harrowing truth about the Carsinome and the Animus while occasionally glancing at the Zarbi to ensure their labor isn’t interrupted. His dialogue is laced with resignation, but flashes of defiance emerge when discussing the Menoptra’s failed rebellion and their untested Isotope weapon.

Goals in this moment
  • To inform Barbara of the true nature of the Carsinome and the Animus, so she understands the stakes of their labor.
  • To subtly rally her support for the Menoptra’s cause, hinting at the impending arrival of the spearhead and the Isotope weapon as a glimmer of hope.
Active beliefs
  • The Menoptra’s rebellion is not yet lost, despite their past failures (faith in the Isotope weapon).
  • The Zarbi are not inherently evil but are controlled by the Animus, making them both victims and oppressors.
Character traits
Resigned but defiant Pragmatic and weary Protective of Barbara (watches for Zarbi) Honest to a fault (reveals failures and hopes) Physically limited (wing damage symbolizes broader Menoptra oppression)
Follow Hrostar's journey
Menoptra
primary

A fragile defiance—surface despair masking a deep, collective will to survive and reclaim their homeworld, despite the odds.

The Menoptra, as a collective, are represented through Hrostar’s revelations about their failed rebellion, their enslavement, and their desperate hope in the Isotope weapon. Their presence is felt in the labor taking place in the Crater of Needles—wingless Menoptra toiling under Zarbi supervision, their bodies broken but their spirit not entirely crushed. Hrostar’s mention of Vrestin and the spearhead invokes their broader struggle, painting a picture of a species on the brink of extinction, clinging to a fragile hope for liberation.

Goals in this moment
  • To liberate the Zarbi from the Animus’s control and reclaim Vortis for the Menoptra.
  • To survive long enough for the spearhead’s arrival and the deployment of the Isotope weapon.
Active beliefs
  • The Animus can be defeated, though the cost may be high (faith in the Isotope weapon).
  • The Zarbi are not true enemies but victims of the Animus, making their liberation a moral imperative.
Character traits
Oppressed but resilient United in desperation (faith in the Isotope weapon) Divided by past failures (failed rebellion) Symbolic of Vortis’s ecological and political decay
Follow Menoptra's journey
Supporting 1
Zarbi
secondary

None (as mind-controlled agents, they exhibit no emotional state—only mechanical enforcement of the Animus’s commands). Their presence, however, radiates a chilling, inescapable authority.

The Zarbi manifest as silent, looming sentries in the Crater of Needles, their crystalline weapons glinting under the toxic haze. They harry Hrostar and Barbara with abrupt, wordless commands, ensuring the forced labor of vegetation harvesting continues uninterrupted. Their presence is a constant, oppressive threat—physical manifestations of the Animus’s control. Though they do not speak, their actions (approaching, harrying, enforcing labor) drive the tension of the scene, reminding the characters of their powerlessness.

Goals in this moment
  • To maintain the forced labor of the Menoptra and Barbara, ensuring the Carsinome’s growth is uninterrupted.
  • To suppress any signs of rebellion or communication, acting as a deterrent to Hrostar and Barbara’s exchange.
Active beliefs
  • The Zarbi operate on instinct alone, with no capacity for independent thought or empathy.
  • Their actions are driven solely by the Animus’s directives, making them extensions of its will.
Character traits
Mindlessly obedient Physically intimidating (crystalline weapons, sudden movements) Silent and expressionless (lack of speech or motive) Relentless enforcers of the Animus’s will
Follow Zarbi's journey
Vrestin

Vrestin is mentioned indirectly by Hrostar as a leader of the Menoptra who participated in the failed liberation attempt and …

Objects Involved

Significant items in this scene

4
Carsinome

The Carsinome is the physical manifestation of the Animus’s dominion over Vortis—a hive-like structure expanding toward the planet’s core, fed by the Menoptra’s forced labor. In this event, it is the subject of Hrostar’s harrowing explanation, revealed as the destination of the vegetation and acid streams. Its description as a ‘monstrous entity’ that ‘reaches out across Vortis’ elevates it from a mere backdrop to a looming, almost sentient threat. The Carsinome symbolizes the Animus’s insatiable hunger, its growth a metaphor for the planet’s consumption. Barbara’s alarm at learning of its connection to the Animus underscores its role as a narrative villain, driving the urgency of the Menoptra’s plight.

Before: Expanding relentlessly toward the planet’s core, fed by …
After: Unchanged in its physical state, but now fully …
Before: Expanding relentlessly toward the planet’s core, fed by the underground streams and the Menoptra’s labor.
After: Unchanged in its physical state, but now fully understood by Barbara as the Animus’s stronghold and the source of the Menoptra’s oppression.
Crater of Needles Nutrient Channels (Vortis)

The acid streams in the Crater of Needles are the corrosive veins of the Carsinome, dissolving the harvested vegetation into nutrients that sustain the Animus’s growth. In this event, they function as both a physical barrier (their toxic fumes exacerbate Barbara’s discomfort) and a narrative device—Hrostar’s description of how they ‘draw [the vegetation] to the centre’ through underground streams reveals the Carsinome’s insidious expansion. The streams symbolize the inescapable reach of the Animus, turning the Menoptra’s labor into a self-perpetuating cycle of oppression. Their gurgling, corrosive presence looms over the scene, a constant reminder of the planet’s slow death.

Before: Active and corrosive, with heaps of vegetation being …
After: Unchanged in function, but now imbued with greater …
Before: Active and corrosive, with heaps of vegetation being fed into them by the Menoptra and Barbara under Zarbi supervision.
After: Unchanged in function, but now imbued with greater symbolic weight for Barbara, who understands their role in feeding the Animus.
Menoptra Living Cell Destructor (Active Device)

The Isotope weapon, mentioned by Hrostar as the Menoptra’s ‘last hope,’ is an untested but desperate gambit to defeat the Animus. In this event, it serves as a narrative pivot—shifting the conversation from despair to fragile possibility. Hrostar’s admission that it ‘has not been tested’ underscores the Menoptra’s desperation, while Barbara’s reaction (implied in her silence) hints at her role in either aiding or questioning its efficacy. The weapon symbolizes the Menoptra’s defiance, but its unproven nature also introduces tension: Will it work, or will it doom them further? Its mention raises stakes for the companions’ potential involvement in the coming conflict.

Before: Stored or prepared elsewhere (likely with the Menoptra …
After: Still untested, but now a point of focus …
Before: Stored or prepared elsewhere (likely with the Menoptra spearhead), awaiting deployment against the Animus.
After: Still untested, but now a point of focus for Barbara and the audience, as its success or failure will determine the Menoptra’s fate.
Vortis Harvested Vegetation

The harvested vegetation from Vortis’s surface is the literal fuel for the Carsinome’s expansion, a grim metaphor for the planet’s exploitation under the Animus’s rule. In this event, it serves as both a tool of oppression (forcing the Menoptra and Barbara to labor) and a key to understanding the Carsinome’s growth. Hrostar’s explanation reveals its role in nourishing the underground streams that feed the Animus, making it a tangible symbol of the Menoptra’s enslavement and the planet’s slow consumption. Barbara’s handling of the brittle growths underscores the physical toll of the labor, while Hrostar’s dialogue elevates it to a narrative device—revealing the true horror of what they are sustaining.

Before: Piled in heaps around the Crater of Needles, …
After: Continues to be harvested and fed into the …
Before: Piled in heaps around the Crater of Needles, awaiting collection and feeding into the acid streams by the Menoptra and Barbara.
After: Continues to be harvested and fed into the acid streams, though Barbara’s newfound understanding of its purpose adds a layer of dread to the labor.

Location Details

Places and their significance in this event

2
Carsinome Hive

The Carsinome, as described by Hrostar, is the Zarbi’s hive-like stronghold at the hub of the Crater of Needles’ acid streams. Though not physically present in the scene, it looms as the destination of the Menoptra’s labor and the source of their oppression. Hrostar’s revelation that the vegetation is ‘drawn to the centre’ through underground streams paints the Carsinome as a monstrous, expanding entity—both a physical structure and a metaphor for the Animus’s dominion. Its mention elevates the stakes of the scene, as Barbara realizes the true purpose of her forced labor: sustaining the very force that enslaves the Menoptra. The Carsinome’s unseen core (where the Animus resides) adds a layer of dread, symbolizing the unknown horrors awaiting those who dare challenge the status quo.

Atmosphere Unseen but palpable—a sense of creeping, insidious expansion, as if the very air is being …
Function The Carsinome serves as the Animus’s stronghold and the nexus of its control over Vortis. …
Symbolism Symbolizes the Animus’s insatiable hunger and the Menoptra’s enslavement. Its expansion toward the planet’s core …
Access No Menoptra or captive has ever seen the Carsinome’s core and lived. The underground streams …
Underground streams of corrosive acid, channeling dissolved vegetation to the Carsinome’s core. A central chamber where the Animus resides, described as a sight that ‘snaps minds and claims lives.’ The Carsinome’s outer structure, expanding relentlessly across Vortis, fed by the Menoptra’s labor.
Crater of Needles

The Crater of Needles is the oppressive heart of the Menoptra’s enslavement—a vast, jagged pit where wingless Menoptra and Barbara toil under Zarbi supervision, harvesting vegetation to feed the Carsinome. In this event, it functions as a prison, a labor camp, and a crucible for revelation. The toxic atmosphere (corrosive air, blurred vision) mirrors the physical and emotional toll on the characters, while the Zarbi’s patrols and harrying create a sense of inescapable danger. The crater’s needles and acid streams contribute to its claustrophobic mood, reinforcing the Menoptra’s powerlessness. Yet, it is also where Hrostar and Barbara’s exchange takes place, making it a site of reluctant resistance and the transmission of critical information.

Atmosphere Oppressively toxic and claustrophobic—thick with the haze of corrosive air, the gurgle of acid streams, …
Function Labor camp/prison for the Menoptra and Barbara, where forced harvesting of vegetation sustains the Carsinome’s …
Symbolism Represents the dehumanizing (or de-Menoptra-izing) effect of the Animus’s rule—where once-free beings are reduced to …
Access Heavily guarded by Zarbi sentries, with alarms and larvae guns used to herd workers into …
Corrosive, toxic air that blurs vision and saps strength (Barbara’s sore eyes, labored breathing). Jagged rock needles jutting from the ground, casting eerie shadows and reinforcing the crater’s oppressive geometry. Acid streams gurgling ominously, dissolving vegetation into nutrients for the Carsinome. Zarbi patrols moving silently, their crystalline weapons glinting under the toxic haze. Heaps of harvested vegetation piled near the acid streams, awaiting feeding.

Organizations Involved

Institutional presence and influence

2
Zarbi

The Zarbi, as mind-controlled enforcers of the Animus, manifest in this event through their silent, oppressive presence in the Crater of Needles. They harry Hrostar and Barbara, ensuring the forced labor of vegetation harvesting continues uninterrupted. Their actions—approaching, harrying, and enforcing the labor—drive the tension of the scene, reinforcing the Menoptra’s powerlessness. Though they do not speak, their crystalline weapons and sudden movements symbolize the Animus’s authority, making them the physical embodiment of its will. Hrostar’s description of them as ‘just cattle’ underscores their dehumanized (or de-Menoptra-ized) state, while their relentless patrols highlight the organization’s role as an inescapable force of oppression.

Representation Via collective action of members—silent, wordless sentries enforcing the Animus’s directives through physical intimidation and …
Power Dynamics Exercising absolute authority over the Menoptra and Barbara, acting as the Animus’s eyes, ears, and …
Impact The Zarbi’s presence in the Crater of Needles reinforces the Animus’s institutional control over Vortis, …
Internal Dynamics None (as mind-controlled agents, the Zarbi operate as a hive mind with no internal conflict …
To maintain the forced labor of the Menoptra and Barbara, ensuring the Carsinome’s growth is uninterrupted. To suppress any signs of rebellion or communication, acting as a deterrent to Hrostar and Barbara’s exchange. Physical intimidation (crystalline weapons, sudden movements, harrying). Structural control (alarms, larvae guns, enclosures to herd workers). Psychological oppression (silent, expressionless enforcement reinforces the Menoptra’s helplessness).
Menoptra

The Menoptra, as a collective, are represented in this event through Hrostar’s revelations about their failed rebellion, their enslavement, and their desperate hope in the Isotope weapon. Their presence is felt in the labor taking place in the Crater of Needles—wingless Menoptra toiling under Zarbi supervision, their bodies broken but their spirit not entirely crushed. Hrostar’s mention of Vrestin and the spearhead invokes their broader struggle, painting a picture of a species on the brink of extinction, clinging to a fragile hope for liberation. Barbara’s emerging role as an ally (through her probing questions and empathy) further highlights the Menoptra’s plight, positioning her as a potential catalyst for change.

Representation Through the collective action of enslaved members (laboring in the Crater of Needles) and the …
Power Dynamics Operating under constraint—enslaved by the Zarbi, with their labor and movements controlled by the Animus’s …
Impact The Menoptra’s institutional impact in this event is twofold: they are both victims of the …
Internal Dynamics Fragmented but united—divided by past failures (the failed rebellion) but held together by the shared …
To survive long enough for the spearhead’s arrival and the deployment of the Isotope weapon, which may turn the tide against the Animus. To rally allies (such as Barbara and the Doctor) to aid their rebellion, leveraging external knowledge and resources. Collective labor as a form of passive resistance (though forced, it sustains the Menoptra’s survival and knowledge of Vortis’s systems). Strategic communication (Hrostar’s revelations to Barbara plant seeds for potential aid from the companions). Symbolic defiance (faith in the Isotope weapon, despite its untested nature, represents their refusal to accept defeat).

Narrative Connections

How this event relates to others in the story

What led here 2

"Barbara inquires about the purpose of the vegetation, leading to the revelation of the Animus."

Barbara learns of the Animus
S2E19 · Crater of Needles

"Barbara inquires about the purpose of the vegetation, leading to the revelation of the Animus."

Barbara Learns of the Isotope Gambit
S2E19 · Crater of Needles
What this causes 2

"Barbara inquires about the purpose of the vegetation, leading to the revelation of the Animus."

Barbara learns of the Animus
S2E19 · Crater of Needles

"Barbara inquires about the purpose of the vegetation, leading to the revelation of the Animus."

Barbara Learns of the Isotope Gambit
S2E19 · Crater of Needles

Themes This Exemplifies

Thematic resonance and meaning

Part of Larger Arcs

Key Dialogue

"BARBARA: Why do they make us heap this vegetation into the acid streams?"
"HROSTAR: It is the raw material for the Carsinome, where the Zarbi live. Fed into these pools, it is drawn to the centre through underground streams, and as we pour it in, the Carsinome grows and reaches out across Vortis."
"BARBARA: Well, what lies at the centre?"
"HROSTAR: None of us have ever seen it and lived, but we call it the Animus."
"HROSTAR: We came here to liberate them. It was disaster. Vrestin, the others, we arrived in advance of the spearhead. Our weapons proved useless. They were taken by the Zarbi who were everywhere. The three of us you met in the cave got away with the communicator, but we could not contact our spearhead."
"BARBARA: And how will you overcome the Animus?"
"HROSTAR: With a new invention of our scientists. It has not been tested but we have placed our faith in the Isop-tope."