Recaps

Lu Yuan traced a fungal outbreak through the Pipe Network, destroyed its conscious core, and recovered a mysterious crystal. He then joined Agnes’s mission into the Tower of Erudition, where he witnessed Laurina enter the Sea of Knowledge and learned that an entity had noticed him.

• Agnes examined Lu Yuan, warned him about Copper Resonance, and offered to help him join the Church while withholding his Sea of Knowledge aura from her report.
• Lu Yuan and Bolen uncovered tampering and fungal contamination in the Conduction Network, then led an expedition into the Pipe Network and captured two intelligent Great Ghouls.
• Lu Yuan and his allies traced the infection to the Water Collection Chamber, where they burned its growth and sealed one passage as parasitized Ghouls attacked.
• Lu Yuan followed the main vine to the fungal network’s core, destroyed it with Eeriebane Potion, Exorcism Grenades, and Mithril, and collected a Consciousness Crystal before escaping.
• The fungal network collapsed, and Lu Yuan warned Glock and Klaus that the core might revive and had damaged the runes on a Copper Pillar.
• Lu Yuan examined the Consciousness Crystal, suffered a brief loss of sanity and gray-green discoloration, then sealed the sample away before setting out for the Tower of Erudition.
• Agnes led Lu Yuan and three church members into the Tower to purify contaminated nodes, and Lu Yuan stayed behind to inspect Laurina’s empty laboratory.
• Using the Seeker’s ability, Lu Yuan witnessed Laurina enter the Sea of Knowledge with a Knowledge-Derived Worm, received her message about finding her trace, and drew the attention of an unknown entity.

Lu Yuan contracted Worms of Knowledge, joined the investigation of Bronze City’s Copper Pillars, and helped expose the Grey Covenant’s attempts to obtain a Seed. After choosing Eerie Inscription Studies, he learned that the Copper Plate might control the seal beneath City Hall and was assigned to investigate a route in the Pipe Network Layer.

• Lu Yuan opened a pinprick passage to the Sea of Knowledge, contracted three Worms of Knowledge, and gained the ability to see auras through the Worm living in his eye.
• Duo Huo Ke and Bolen explained the four branches of Inscription Studies, while Bolen warned Lu Yuan about the risks of Ancient and Large-Scale studies.
• Klaus organized an expedition to locate Copper Pillars beneath Bronze City, and Lu Yuan joined the team that found a pillar and witnessed Wolf’s violent transformation.
• Lu Yuan uncovered an Unknown Seed beneath the Copper Pillar, then helped Klaus and Leike fight Grey Covenant members pursuing it.
• Klaus’s group found the Grey Covenant stronghold and a Copper Plate map marking a sealed area beneath City Hall, while Bolen discovered that another Copper Pillar’s Seed had already been removed.
• Lu Yuan moved into independent Captain accommodation, spent his points on weapons and supplies, and chose Eerie Inscription Studies with Duo Huo Ke’s guidance.
• Bolen identified the Copper Plate’s marked location as the seal’s core, and Klaus ordered an investigation into the Grey Covenant and its possible insider in Bronze City.
• Lu Yuan learned from Blake’s report that the Grey Covenant received orders in dreams from the Person on the Wall, then Klaus assigned him to confirm a route through the Pipe Network Layer with Bolen and Leike.

Lu Yuan and the Night Watchers uncovered the Tower of Erudition’s dangerous plans while factions sought the Seed and the Grey Covenant’s Tree spread its influence. The arc ended with the students entering the Sea of Knowledge, where Lu Yuan guided them as Sister Lin died clearing a path.

• Lu Yuan, Bolen, and Leike found a Copper Wall that sealed an incomplete existence, and Leike rescued Lu Yuan and Bolen when its inscriptions overwhelmed them.
• The Tower of Erudition opened a channel to the Sea of Knowledge, and Arthur Heinz ordered Kame to accelerate the plan after Klaus questioned its cost.
• Lu Yuan created the Great Ghoul Transformation from nine linked Brain Cores, while the Night Watchers voted to protect the Seed.
• Lu Yuan and the Night Watchers raided Baron Von Linde’s estate, where the Baron mutated and the Worm of Knowledge devoured his core.
• Hogger executed Von Linde’s collaborators, and Klaus sent Lu Yuan to lead a Night Watcher team in securing the Tower of Erudition’s harvesting operation.
• Lu Yuan and the Night Watchers formed a barrier as twenty-three students entered the Sea of Knowledge, then held their positions while fragments threatened their minds.
• Lu Yuan sent the Worm of Knowledge into the students’ sea and used it to redirect them away from deadly gaps in the corpse-like landscape.
• Five students were consumed after leaving the group, and Sister Lin sacrificed herself to carve a path toward the corpse’s core as the remaining students followed.

After the Tower of Erudition ritual, Lu Yuan investigated an Ascension Society attack and traced the escaping Tree Man to a hidden Grey Covenant nest. He and his allies fought Nine and Q underground, then escaped as Lu Yuan lost consciousness.

• The students’ knowledge completed the Scripture’s ten pages, but all twenty-three students died, and Lu Yuan’s team escaped the Tower of Erudition after enduring the ritual.
• Lu Yuan recovered at the Branch, discussed sanity cultivation with Hank, and learned that the Dwarves had worked on seals connected to the Tower and the Ascension Society.
• At a tavern, Lu Yuan’s group encountered Ascension Society members and two Aberrants, then destroyed their fused Amalgam after it infected Kael and Milo.
• Lu Yuan used Holy Water, Flame-type herbs, and the Seed’s aura to stabilize Kael and Milo, then set out with Leike and Bolen to track the escaped Tree Man.
• The mark led Lu Yuan, Leike, and Bolen from a Hoffman Freight Company warehouse into an underground hall where the Tree Man and living captives were fused into roots.
• Nine and two Grey Covenant members attacked, and Lu Yuan used the Sealing Disk to disrupt the root controllers before Nine trapped him behind a wall of vines.
• Leike transformed and unleashed his Insect Tide while Lu Yuan used Time Bestower and the Worm of Knowledge against Nine, but the altar drained the captives and released a dangerous power.
• Bolen damaged the altar, but Q emerged and blocked the retreat, so Leike carried Lu Yuan and Bolen toward a deeper passage as Lu Yuan felt the Worm of Knowledge recoil and began to lose consciousness.