Chapter 286: The Bio-Fleet (Patreon)

Because the two fleets traveled by entirely different means, they could not jump into the Baal system as a single unified force. Instead, they agreed to rendezvous at the system’s Mandeville Point, the closest safe emergence zone for warp-capable vessels near Baal.

When Adam’s flagship the Talon’s Wrath, translated into realspace, he immediately saw that Quarren and the Imperial fleet had already arrived.

They weren’t even in transit. They were fully deployed in layered void-formations, their escorts distributed into screening arcs and their heavy ships aligned for long-range fire, reflecting standard Imperial doctrine: maintain a screen to protect against close-in threats and use capital guns to contest realspace entry points. The posture suggested they had been waiting long enough to settle into a full defensive array.

“Traveling by the means of the warp does have its… advantages,” Quarren’s hololithic projection said as it flickered into Adam’s view. “We arrived nearly two solar hours before you.”

“One hour,” the Navigator behind Quarren corrected dryly.

Only then did Adam fully realize that the Imperial fleet had experienced time divergence during warp translation.

There is no true time in the Immaterium. Warp travel often caused strange temporal anomalies, arriving earlier than one departed, or much later. Such inconsistencies were routine for warp-faring vessels; Imperial fleets often staggered into realspace spread across minutes or hours despite synchronized departure.

From a tactical perspective, this unpredictability forced Imperial commanders to assume the worst and fully deploy the moment they arrived. There were even recorded Imperial cases of vessels lost to warp-storms reappearing centuries after their departure.

“This kind of early-or-late temporal translation is uncontrollable,” Adam said. “And ‘uncontrollable’ is another way of saying ‘dangerous’.”

“Of course,” Quarren conceded. “By the Emperor’s grace, we arrived only an hour early.”

Adam nodded, turning his attention toward the Tyranid bio-fleet occupying Baal’s orbital space.

As captain-linked to the Talon’s Wrath, Adam perceived the battlespace in a detached third-person perspective. He saw his own vessel from the outside, as though watching from some elevated vantage, viewing the entire star system as a unified datasphere.

And whenever he focused on any object intentionally, the view magnified instantly.

The Tyranid hive-ships had certainly detected the Imperial Navy’s premature arrival, but they did not move. They remained coiled around Baal, massed in thick orbital clusters like predatory organisms patiently circling prey.

“Our augurs can’t get solid readings on them,” Quarren said, casting an irritated glance at the Adepts responsible for sensor operations. “Have your people scan.”

Adam nodded. The Talon’s Wrath’s scanning arrays activated, hurling detection waves across the system, penetrating dust clouds, gravitational wakes, and bio-pollutant clouds.

The result returned quickly.

There were approximately 21,000 Tyranid bio-ships in the system, far fewer than expected.

Even though Baal had been cut off for some time, Adam had reliable intelligence about the invasion, information the Lord of Talon had personally given him.

According to his Lord, Hive Fleet Leviathan should field at least forty to fifty thousand bio-vessels in this region. Which meant a portion of the fleet biomass had been consumed or reshaped into something new. Tyranids rarely wasted mass. If it was missing, it had been repurposed.

Even so, 21,000 was vastly more than the combined strength of the Talon fleet and the Imperial Navy present.

“Share the results,” Adam ordered.

The scanning crew immediately transmitted the compiled data to the Imperial fleet.

Moments later, a servo-skull drifted to Quarren, a long parchment of cog-script and runes dangling from its jaw.

Quarren skimmed the contents.

These were detailed structural readings of the Tyranid bio-ships.

There were 15,000 escort-class organisms, known in the Talon Sector’s archives as Tyranid Escort Drones, a classification Adam himself didn’t understand. After all, the Talon Sector had never directly engaged Tyranids. Yet their databanks held uncannily accurate Tyranid bio-ship specifications, an oddity that even Adam found suspicious.

The escorts existed in two primary strains:

- Kraken Escorts — fast, serpentine void-organisms used for screening, ramming attacks, spore-mine deployment, and tearing open hulls with feeder tendrils.

- Vanguard Drones — light escort bioforms that swarm damaged vessels, dissolve armor with acidic secretions, and defend larger synapse organisms.

These escorts swarmed around larger Hive Fleet organisms just as Imperial and Talon escorts screened their capital ships.

Beyond them were Void Prowlers, light cruiser-class bio-ships, larger and more lethal than the escorts. Like the others, they came in multiple strain-variants, the two major types being:

- Assault Bio-Cruisers — heavy melee-adapted void organisms capable of ramming and breaching vessels.
- Bio-Artillery Cruisers — strains equipped with long-range bio-plasma or rupture-cannon symbiotes.

These cruisers functioned as the hive fleet’s backbone, providing the equivalent of conventional cruiser firepower while retaining the capability for sudden close-range aggression, a flexible doctrine allowing Tyranids to saturate a target with fire or abruptly collapse formation gaps with brute-force contact attacks.

In addition to the main types, there were minor sub-strains as well, though in much smaller numbers.

These cruisers circled the heart of the swarm, a massive Hive Ship.

The Hive Ship was colossal, an organism the size of an Imperial battleship. Its internal structure defied complete scans; only its highlighted threat index was visible. It most likely carried a Norn-Queen, for every major Tyranid tendril relied upon such titanic birthing-organisms to direct and breed the swarm.

Such ships acted as both command nodes and logistical centers, continually secreting new spores and replenishing losses mid-battle.

Next were the heavy cruisers of the swarm, designated Razorfiend Cruisers, bio-forms optimized for armor-shearing strikes, typically launched to overwhelm the flanks of slower battleships, together numbering 3,000.

Still larger were the Devourer-Class Cruisers, the Imperium’s term for the biggest cruisers beneath Hive Ships, each with strain variations, 2,000 in total.

The rest consisted of numerous specialized organisms, including Narvhal ships that guided the hive-fleet through faster-than-light travel, feeder-tendrils, and spore-harvester vessels. Support forms that ensured the fleet remained self-sustaining and required no external supply chain.

When Quarren finished reviewing the parchment, he was visibly unsettled. Information about the Tyranids was scarce in the Imperium of men, especially regarding the types and names of bio-ships. These bio-ships were more like oversized Tyranid creatures than actual warships; the Imperium simply categorized them by size and function as frigates, cruisers, heavy cruisers, etc.

The Talon Sector’s Tyranid classification system was identical to Imperial classification perfectly, despite supposedly having no prior encounters with them, and Quarren doubted the Imperial Navy would share their hard-won data so openly.

A mystery, but not one they could afford to solve now.

Quarren dismissed the servo-skull and stared at the bio-fleet beyond his command deck’s armored viewports. Even through layers of adamantine glass and energy shielding, the sight of the swarm felt suffocating.

Then he returned his gaze to Adam.

“What would you advise?” he asked. Despite the fact that command authority was now officially his, Quarren still intended to consult with Adam, as he wasn't very familiar with Talon-pattern warships.

“My rational advice,” Adam said, “is immediate withdrawal. Treat this as a reconnaissance run. Regroup. Return with overwhelming force. But Baal may not survive long enough for us to come back.”

“Correct,” Quarren agreed grimly. The current combined fleet represented the maximum void assets the Imperium could allocate on short notice. The Imperium could assemble a fleet large enough to crush Hive fleet Leviathan, if given centuries to gather ships scattered across a million worlds.

Being entirely organic, Tyranid Bio-Ships emit no electromagnetic signatures and thus are impossible to detect until they reach a system.

Were it not for the sudden loss of communication in every system a Hive Fleet touched, there would have been more time, if only a little.

If they had to commit to battle now, the only viable strategy was the one the Imperium had always relied on against the Tyranids:

Decapitation. Kill the Hive Ships. Break the synapse. Collapse the swarm.

Without the synaptic apex, the hive fleet would collapse into feral disarray.

Such tactics had never failed, when they succeeded. Fleet-on-fleet attrition favored the Tyranids; the longer a battle lasted, the more their biological systems adapted, and the more biomass they harvested from wreckage. Only decisive, targeted strikes offered a real chance. It was the only way the Tyranids could truly be defeated.

“Will your Iron Planet join us?” Quarren asked.

“No.” Adam recalled the ongoing reconstruction of the Celestial Engine. Its world-body was not yet fully rebuilt. Forcing it into the Cadian War had been a gamble; bringing it again, and risking the defenses of the Talon Sector, was impossible.

But the Talon fleet had brought something else: a mobile orbital shipyard.

Not as vast as the Celestial Engine’s, but bristling with weapons and, critically, manufacturing and repair capability that the Celestial Engine lacked. It hovered now at the far rear of the formation.

A silent fortress. A reserve-anchor designed to keep fleet assets operational far beyond normal campaign endurance.