206 - The Brood Matriarch

Subin stepped into the advancing swarm, Simple Edge held low at his side. The first creatures rushed toward him across the uneven cavern floor, their hooked legs scraping against stone as they tried to surround him. Rather than retreating into the narrow entrance, he advanced diagonally, cutting through the leading insects and forcing the rest to adjust their approach. Each movement opened space for Rafael's defensive line, preventing the swarm from overwhelming the expedition all at once.

Behind him, Yerin intercepted a group attempting to climb the cavern wall and descend on the guides. Her spear struck through the joints of their shells, knocking them from the rock before they could reach Ara. Liu Wei moved along the opposite flank, using precise cuts to disable the creatures without wasting time on their thick armor. Jae-hyun remained near the entrance, marking the branching tunnels while watching for anything that might slip past their formation.

The Matriarch did not join the first assault. It shifted its enormous body behind the swarm, directing the smaller insects toward weaknesses in the expedition's line. Whenever Rafael pushed one group back, another attempted to cross the exposed ground beside him. The coordination was too deliberate to be simple instinct, and Subin quickly realized that killing the creatures nearest him would not solve the problem unless he disrupted the Matriarch's control over the colony.

"Rafael, keep the center narrow!" Subin called. "Don't chase them when they retreat. Make them come to you."

Rafael adjusted his stance and planted his shield against a raised section of rock. The insects could no longer attack from three sides at once, and their numerical advantage became less useful in the confined space. That gave Subin room to move forward, though the Matriarch immediately responded by sending a larger group toward Yerin's position.

Yerin held her ground, but the sudden pressure forced her back toward a shallow pool. One insect lunged over the others, its mandibles snapping near her shoulder. She turned the attack aside with the shaft of her spear and drove the point into its exposed underside, then used the falling body to block the next creature's advance.

Subin saw the opening and changed direction. He crossed the gap between them, cutting through the two insects closest to Yerin before they could close around her. She recovered her footing and gave him a brief nod, then returned to guarding the flank.

"Your timing is getting predictable," she said as another creature approached.

"You're welcome to demonstrate a better method."

"I already am."

Her spear flashed past his shoulder and struck an insect that had attempted to attack him from behind. Subin gave her a quick glance of acknowledgment before continuing toward the Matriarch.

The creature finally moved.

Its front limbs struck the ground, sending a tremor through the cavern, and the smaller insects scattered away from its path. The Matriarch advanced with surprising speed for its size, using its armored head to smash through a natural stone ridge. Chunks of rock flew across the floor, forcing Subin to change his approach before the debris could pin him against the wall.

He met the creature near the center of the cavern. His first strike landed where the front armor overlapped, but the blade skidded across the hardened surface without penetrating deeply. The Matriarch swung one enormous forelimb toward him, and Subin slipped beneath the blow, cutting at the joint as it passed. Simple Edge opened a narrow wound, drawing dark fluid, but the creature's momentum carried it forward.

Its tail swept across the ground.

Subin jumped over the first section of the sweep, but the tip caught his leg as he landed and sent him sliding across loose stone. He recovered before the Matriarch could turn, though the impact left a sharp ache along his thigh. The creature was faster than its bulk suggested, and the dense armor protecting its body made a direct assault inefficient.

He needed to understand how it moved before committing to a deeper attack.

The Matriarch's antennae shifted whenever the smaller insects changed direction. Each movement was followed by a coordinated adjustment in the swarm, and the creatures closest to the river responded a fraction earlier than those near the entrance. Subin watched the pattern while evading another charge, noting that the Matriarch relied on short, repeated signals rather than continuously controlling every insect.

That gave him an opportunity.

"Jae-hyun, can you draw the smaller groups away from the river?"

"How far?"

"Far enough that they stop reinforcing the Matriarch."

Jae-hyun understood immediately. He moved toward a side passage and struck the ground with a powerful sword technique, sending a burst of force across the narrow approach. The insects guarding the river turned toward the disturbance, while Liu Wei intercepted those attempting to circle back. The colony's formation loosened as its defenders divided their attention between the expedition and the newly threatened passage.

Subin advanced.

The Matriarch lowered its head and rushed him, attempting to crush him against the cavern wall. Instead of retreating straight backward, Subin angled toward the creature's left side, where its damaged forelimb forced it to turn more slowly. He cut across the joint again, deepening the wound, then withdrew before its mandibles could close around him.

The creature recoiled, striking the ground with its remaining forelimbs. A harsh vibration passed through the cavern, and the smaller insects responded by abandoning their previous positions. Several climbed the walls, while others rushed toward Subin in an effort to protect the Matriarch.

Rafael's line came under renewed pressure. His shield absorbed a series of impacts, but one creature managed to hook its forelimb around the edge and pull him off balance. Yerin reached him before the swarm could exploit the opening, driving her spear into the attacker's head and helping Rafael regain his stance.

"We can't hold this forever!" Rafael called.

"We don't need forever," Subin replied. "Just keep the passage clear."

He watched the Matriarch retreat toward the river, where its antennae touched the ground and released a low vibration. The swarm immediately began moving toward the water, abandoning the direct assault. For a moment, Subin thought the creature intended to escape, but the insects were not scattering. They were reorganizing around a series of narrow cracks in the rock.

Ara's voice came from the entrance. "Subin, the river channels extend beneath that shelf. There are several openings behind the Matriarch."

Subin looked toward the dark gaps along the cavern floor. The colony had not gathered here by chance. Its nesting tunnels extended beyond the visible chamber, and the river provided access to deeper passages. The Matriarch was protecting those routes, not merely defending the eggs they had seen earlier.

If he drove it away without understanding where the colony lived, the insects could spread into the river system and emerge near Kharad through another route.

"Can you identify which tunnel leads toward the settlement?" he asked.

Ara checked the map. "The river continues east, but there are at least three side passages. I can't confirm which ones connect to the settlement's hunting grounds."

That settled the immediate question. The expedition could not safely clear every tunnel, and Subin would not risk the team by chasing the Matriarch into an unfamiliar network. He needed to break the colony's hold on the cavern entrance, secure the route back to Kharad, and give the local defenders enough information to prepare for a larger operation.

He changed his target.

Rather than attacking the Matriarch's head, Subin moved toward the rock shelf beside the river. The creature immediately pursued him, its antennae lifting as it recognized the threat to its territory. Subin waited until it committed to a charge, then stepped aside and struck the exposed joint beneath its forward armor. The cut forced the Matriarch to turn sharply, placing its enormous body between the swarm and the narrow passage through which the expedition had entered.

The smaller insects hesitated, their formation breaking as they tried to find another route around their leader.

Subin used that moment to deliver a second cut, this time along the base of the Matriarch's right antenna. The blade severed the outer section without penetrating its head. The creature recoiled violently, and the coordinated movement of the colony faltered. Several insects collided with one another, while others abandoned the riverbank and rushed toward the Matriarch.

Its control was not absolute, but the damaged sensory organ had disrupted the signals guiding the swarm.

"Now!" Subin shouted.

Rafael advanced behind his shield, pushing the nearest insects away from the entrance. Yerin and Liu Wei cut a narrow corridor through the remaining defenders, while Jae-hyun returned from the side passage and helped secure the rear. The expedition moved together rather than spreading out to pursue scattered creatures, keeping the route back to the guides clear.

The Matriarch attempted to follow, but its damaged forelimb and antenna slowed its response. Subin remained between it and the retreating team, ready to counter another charge. The creature stopped at the edge of the river, mandibles opening in a harsh clicking sound that echoed through the cavern.

It did not pursue them beyond the nesting chamber.

Subin lowered his sword slightly but kept his attention on the creature until the team had withdrawn through the narrow tunnel. They had inflicted significant injuries without killing it, and the colony remained active. The cavern was not safe, but the expedition had gained enough space to leave without being surrounded.

Only after reaching the wider passage did Subin order a full head count. Everyone had returned, though Rafael's shield was damaged and Subin's leg would need attention before another battle. Ara had preserved the map data, and the guides had marked the approach with temporary indicators so future teams could find their way back.

"We didn't clear the nest," Jae-hyun said, wiping dark fluid from his blade.

"No," Subin replied. "We learned how large the colony is, how it coordinates, and where its territory reaches. That's more useful than pretending one fight would solve everything."

Yerin examined the bruise forming along Subin's leg. "And you discovered that even your sword can't make you immune to being hit by a tail."

"I never claimed it could."

"You looked surprised when it happened."

"I was surprised that you noticed."

She shook her head, but her expression softened as she helped him secure the bandage. Their brief exchange eased the tension in the group, though the danger ahead remained clear.

They returned to Kharad that evening and reported their findings to Elder Maresh. The Kharan leader listened carefully, particularly when Subin explained that the Matriarch controlled a large colony spread through several river passages. A direct assault might kill the leader, but it could also scatter the insects into smaller groups, making them harder to track and potentially more dangerous to nearby settlements.

Maresh called the river watch captains together. They would reinforce the western patrols, close the most vulnerable hunting paths, and move families away from the exposed riverbank until the colony's routes were better understood. Subin offered to lead a follow-up expedition with additional fighters, provided the Kharan supplied guides familiar with the side passages.

The agreement was practical and limited. Subin would help secure the route, but Kharad would decide how its territory was defended. The expedition had not come to rule the settlement, and he had no intention of turning a request for assistance into a claim over local land.

Later that night, Ara completed the updated map. The northern mines, Underpass, the underground river, and Kharad now formed a continuous surveyed route, though the western caverns remained marked as dangerous and only partially explored. The discovery expanded the known geography of the Great Passage, but it also gave the expedition a new responsibility.

Subin studied the line connecting the settlements. Their next journey would not be another simple survey. Before continuing farther along the river, they would need to establish a safe passage through the colony's territory and determine how much of the underground network the Matriarch controlled.

The creature had survived, the colony remained in place, and Kharad was preparing for the possibility of a larger attack.

Subin accepted that reality without frustration. His goal was not to kill every powerful monster he encountered. It was to become the greatest swordsman in the world, and that required more than learning how to cut through an opponent's defenses. It required knowing when to strike, when to withdraw, and what his victory would actually accomplish.

The next time he faced the Cavern Brood Matriarch, he intended to finish the fight on terms that protected the people living along the river, rather than merely proving that his sword was stronger.