Lan Yu

Biodata

Power Progression

History

Lan Yu was an orphan from Mushroom Village whose parents possessed mushroom spirits but no innate Spirit Power. At six, he awakened Bifulong as his martial spirit with Rank 2 innate Spirit Power. Recognizing Bifulong from his previous life, Lan Yu refused Spirit Hall’s recruitment, judging that his apparent lack of talent and Bifulong’s unusual nature made secrecy more valuable than institutional support 1.

Rather than train conventionally, Lan Yu directed Bifulong to establish an underground Mycelium Network. The network fed gathered Spirit Power back into him, accelerated his cultivation, and later became the foundation of his surveillance, travel, combat, and religious influence. While studying at Notting College, he used mushrooms to hunt, earn money, and build a customer base for Bifulong’s future faith movement 1 2 3.

After Xiaolü’s sacrifice granted him his first hundred-thousand-year ring, Lan Yu abandoned Notting College and travelled through impoverished regions of the Heaven Dou Empire. He distributed mushrooms as food, taught communities to cultivate them, and used the resulting dependence and gratitude to expand worship of the Sage Lord of Fungi 5.

Over the following years, Lan Yu developed a faction of believers and empowered allies. He recruited Zhu Zhuyun and Zhu Zhuqing, established a network in Soto City, humiliated Shrek Academy’s teachers, and defeated Zhao Wuji, Tang Hao, and later other high-ranking opponents through fungal terrain, spores, and the Jadeplume Terrorshroom 7 10 12 16.

In the Star Dou Great Forest, Lan Yu recruited Xiao Wu, Daming, and Erming into Bifulong’s faith. He intended to turn the forest into a symbiotic mushroom ecosystem in which spirit beasts cultivated and protected the network while benefiting from its improved cultivation conditions 16 17.

Lan Yu later seized control of the Ice and Fire Yin Yang Well, fungified its Immortal Herbs, and began cultivating them toward the hundred-thousand-year level. He cured Dugu Bo’s inherited poison by transforming the Green Phosphor Serpent Emperor into the Thunder Phosphor Serpent Emperor, gaining Dugu Bo and eventually Dugu Yan as believers 26 27 49.

As Botanical Academy’s leader and benefactor, Lan Yu used fungal modifications, spirit spirits, and enhanced spirit rings to elevate its students beyond conventional limits. The team won the Continental Advanced Soul Master Academy Tournament after Spirit Hall forfeited the championship match 33 34 49.

Lan Yu’s rise brought him into direct conflict with Spirit Hall. After surviving Bibi Dong’s assassination attempt, he forced her to apologize and compensate him before later sealing her in a mycelial cocoon with the covert assistance of Chrysanthemum Douluo and Ghost Douluo 39 41 50. During that confrontation, he recovered Ah Rou’s remnant soul from Bibi Dong’s Soul Ring. He subsequently negotiated with the Rakshasa God, releasing Bibi Dong’s seal in exchange for a promise to establish a mushroom patch in the Divine Realm 50 51.

After the tournament, Lan Yu brought the reconstructed Ah Yin to the Blue Silver Forest. Its Blue Silver King and clan accepted her as their emperor and agreed to serve the Sage Lord of Fungi. In the Star Luo Empire, Lan Yu covertly turned the emperor, Dai Weisi, and the Nether Duke into puppets, then used royal support and Zhu Zhuyun’s work among commoners to spread the faith and publicize Fungus Spirit Spirits 51 54 55.

Over the following years, Botanical Academy was renamed Sage Lord of Fungi Academy. Lan Yu advanced to Soul Sage while traveling with Ning Rongrong and Zhu Zhuqing to spread the faith. When Xiao Wu reported that the Mycelium Network’s expansion was alarming the Star Dou Great Forest’s inhabitants, he returned and confronted the powerful spirit beasts near the Lake of Life. After subduing the dissatisfied Fierce Beasts, he organized intelligent spirit beasts within Bifulong’s symbiotic system and reunited Xiao Wu with Ah Rou, whom he had given a body through Fungification. Ah Rou’s incomplete soul left her without most of her memories 56 58 62.

Lan Yu later traveled to Sea God Island with Ning Rongrong and Zhu Zhuqing, sparring with its defenders and reaching the eight-ring Soul Douluo realm by the time they returned. He then targeted Tang San’s remaining support, including Moonlight Pavilion and the Clear Sky Sect. When members of the Blue Lightning Tyrant Dragon Clan mistreated his followers, Lan Yu devastated the clan and forced its leader, Yu Yuanzhen, to apologize to the civilians before banishing him 65 67 70 71 73 81.

Lan Yu continued extending his influence through clans and institutions. He secured the Speed Clan’s allegiance, suppressed rebellious Star Luo nobles, established support for a Royal Soul Engineer Academy, and compelled the Blacksmith Association to submit while leaving Lou Gao in charge of its work 86 90 92. He then traveled with Ning Rongrong, Zhu Zhuqing, and Xiao Wu to the Sun Moon Continent aboard Di Tian. There he defeated the Evil Emperor and assigned him to spread Bifulong’s faith among spirit beasts. As that faith expanded across the continent, Lan Yu reached the nine-ring Titled Douluo stage 94 96 97.

Appearance

Lan Yu is described as handsome after reappearing in Soto City. In battle, his most recognizable features are his six red Spirit Rings, fungal constructs, and mycelial wings 9 17 37. He later displays nine red Spirit Rings upon reaching the Titled Douluo stage 97.

• Six hundred-thousand-year red Spirit Rings during the Soul Master Tournament; later nine red Spirit Rings 37 97
• Eight Spider Wings formed by weaving mycelial membranes onto the Eight Spider Lances 17
• Frequently fights from atop the Jadeplume Terrorshroom or within a Spore Cloud 11 48

Personality

Lan Yu is pragmatic, cautious, and highly strategic. At the beginning of his journey, he prioritizes concealment and long-term growth over joining Spirit Hall or provoking powerful figures before he has sufficient strength 1 2.

He is blunt toward arrogance and has little patience for authority based solely on status. He openly dismisses Yu Xiaogang, Shrek Academy, Tang Hao, Bibi Dong, and other powerful figures when he considers them hypocritical, incompetent, or dangerous 9 11 40.

Lan Yu’s compassion is selective. He distributes food and cultivation opportunities to the poor, rescues Lina from an auction, and seeks to preserve A Rou’s soul, but he also uses fear, dependence, religious conversion, and psychological pressure to secure loyalty 5 32 50. His later campaigns show the same divide: he protects followers from exploitation while using puppetry, collective punishment, and deliberately prolonged humiliation against enemies 54 81 92.

Abilities & Skills

Bifulong and the Mycelium Network

Lan Yu’s martial spirit is Bifulong, the Sage Lord of Fungi. Bifulong supplies the fungal abilities, while Lan Yu serves as planner, strategist, and public representative 1 25.

• Spreads an underground Mycelium Network that gathers Spirit Power and passively feeds it back to Lan Yu 1 3.
• Extends Lan Yu’s perception across areas covered by mycelium, allowing him to detect hidden enemies and monitor distant locations 19 39.
• Increases cultivation and Spirit Power recovery for those using the Mycelial Carpet 17 22.
• Connects Lan Yu’s mind to a vast network, making conventional mental attacks ineffective against him 48.
• Supports Bifulong’s faith system by linking mushroom consumers to Illusion Space and potential belief in the Sage Lord 3 25.
• Forms symbiotic connections with plants and spirit beasts across large forest regions, allowing intelligent beasts to communicate and evade hunters through the network 56 62 63.
• Links believers through Bifulong’s Spiritual Network. Their thoughts are accessible to the faith’s collective, making betrayal difficult to conceal 70.

Spore and Mushroom Soul Skills

Lan Yu’s first five rings are all hundred-thousand-year rings, giving each ring two Soul Skills. His sixth ring adds the Ice-shroom and Sealing Spore 6 30.

• First Spirit Ability — Healing Mushroom / Hypnotic Spore

  • Healing mushrooms provide recovery support.
  • Hypnotic spores incapacitate or prevent fleeing targets 6 18.

• Second Spirit Ability — Detoxifying Mushroom / Toxic Spore

  • Detoxifying mushrooms neutralize poisons and can suppress the Dugu family’s spirit poison.
  • Toxic spores poison targets 6 24 27.

• Third Spirit Ability — Full-Buff Mushroom / Weakening Spore

  • Full-Buff Mushroom improves strength, speed, defense, and other physical attributes.
  • Weakening spores reduce enemy combat capacity 6 23.

• Fourth Spirit Ability — High-Temperature Mushroom Skewer / Hallucinogenic Spore

  • High-Temperature Mushroom Skewer raises the power of Spirit Abilities by one tier.
  • Hallucinogenic spores distort perception; Zhao Wuji was reduced to unconsciousness through layered spore effects 6 10.

• Fifth Spirit Ability — Mushroom Feast / Manic Spore

  • Mushroom Feast temporarily raises a user by one major realm; stronger users receive a shorter duration.
  • Manic spores induce abnormal excitement or frenzy 6.

• Sixth Spirit Ability — Ice-shroom / Sealing Spore

  • Ice-shroom freezes a wide area and has a hidden calming effect that weakens obsessive emotional states.
  • Sealing Spore blocks Spirit Power by sealing an opponent’s meridians 29 30.

Spirit Bone Skills

Lan Yu completed a full Spirit Bone set by obtaining a torso bone after reaching the six-ring realm 5 6 30.

• Left Arm Spirit Bone

  • Strength Amplification — boosts physical power.
  • Decomposition — breaks Spirit Power constructs back into raw Spirit Power, partially nullifying manifested Soul Skills 5 6.

• Right Arm Spirit Bone

  • Mycelial Carpet — spreads a fungal field that improves allied Spirit Power recovery.
  • Parasite — implants mycelium into enemies to drain life force and Spirit Power while producing mushrooms on their bodies 6.

• Left Leg Spirit Bone

  • Charge — accelerates mushrooms and Fungus Beasts.
  • Mycelium Swamp — slows targets and prevents flight 6 48.

• Right Leg Spirit Bone

  • Dance with the Wind — grants aerial mobility and high-speed flight.
  • Explosive Spore — detonates compressed spores in a destructive blast 6 48.

• Head Spirit Bone

  • Fungification — converts mushrooms, Immortal Herbs, and other suitable targets into Fungus Beasts.
  • Puppet Control — allows Lan Yu to control targets implanted with mycelium 6 26.

• Torso Spirit Bone

  • Fungus Beast Berserk — drives Fungus Beasts into a berserk state.
  • Soul Seize — temporarily prevents an opponent from using their martial spirit 30.

Jadeplume Terrorshroom

Lan Yu can gather immense quantities of mycelium into the Jadeplume Terrorshroom, a Fungus Beast with strength comparable to a hundred-thousand-year Spirit Beast 11 48.

• Can be summoned from large-scale Mycelium Networks, including the network beneath Soto City 11.
• Uses physical charges, tail strikes, spores, Grass Element Missiles, Mycelium Swamp, and parasitic threads 11 12.
• Enters a strengthened Catalyzing state after absorbing Electro energy 12.
• Defeated Tang Hao twice and overwhelmed Qian Renxue in tournament combat 12 16 48.
• Lan Yu can field multiple Terrorshrooms when sufficient network power is available. He used them against the Blue Lightning Tyrant Dragon Clan and to overwhelm the Evil Emperor 20 81 96.

Spirit Modification and Fungus Spirit Spirits

Lan Yu can fuse Fungus Beasts with martial spirits, permanently altering their attributes and growth potential 14 27.

• Modified Zhu Zhuqing’s Netherworld Civet with a Floating Anemo Fungus, granting it the Wind Attribute 14.
• Rebuilt Dugu Bo’s poison-afflicted spirit into the Thunder Phosphor Serpent Emperor through mycelial symbiosis and Decomposition 27.
• Created Fungus Spirit Spirits that can provide future Spirit Rings without hunting spirit beasts 33.
• The process requires sufficient physical endurance and access to the Mycelium Network’s stored energy 33.
• Evolved Ning Rongrong’s Seven Treasures Glazed Pagoda into the Nine Treasures Glazed Pagoda using fungified Tulip of Immortality essence dew 33.
• Later supplied Fungus Spirit Spirits to Botanical Academy’s instructors and Su Qingluo, and made them available to believers recognized as sincere by Bifulong 56 70.
• Fungus Spirit Spirits return to Bifulong’s Spiritual Network when their owners die; killing a recipient does not allow another person to seize the spirit 77.

Relationships

• Bifulong — His martial spirit, divine patron, and constant partner. Bifulong provides fungal power and religious authority; Lan Yu directs strategy and repeatedly corrects Bifulong’s impulsive decisions 1 5.
• Zhu Zhuqing — Follower and close combat ally. Lan Yu modified her martial spirit, trained her fighting style, and helped her break free from Dai Mubai and the Zhu family’s control 7 14 18. She continues traveling with him and takes a leading role in suppressing the Star Luo nobles’ rebellion 86 94.
• Ning Rongrong — Follower, student, and Botanical Academy teammate. Lan Yu helped evolve her martial spirit and transform her from a conventional support master into a direct combatant 14 33 34. She later accompanies him to Sea God Island and the Sun Moon Continent and promises to bring the Seven Treasure Glazed Tile Sect onto his side 51 70 94.
• Xiao Wu — Bifulong’s first major believer. Lan Yu helped arrange her escape from Tang San and Tang Hao, then advised her to cultivate safely in the Star Dou Great Forest 3 16 17. He later reunites her with Ah Rou, and she joins his travels after reaching the eight-ring Soul Douluo realm 62 94.
• Dugu Bo — Ally and believer whose spirit poison Lan Yu cured by transforming his martial spirit. Dugu Bo becomes deeply loyal to Lan Yu and Bifulong afterward 27 28. Lan Yu later rewards his work protecting believers by raising him to level 95 through the Mycelium Network 77.
• Dugu Yan — Initially suspicious of Lan Yu, but later accepts treatment, ends her relationship with Yu Tianheng, and becomes a believer after her poisonous-spirit curse is removed 28 49.
• Lina — Rescued from an auction and made Lan Yu’s first successful Fungus Spirit Spirit recipient. She views him as her savior and master 32 33.
• A Yin — A reconstructed soul manifested as a humanoid Fungus Beast. Lan Yu intends to train her as an envoy, helper, and future general for Bifulong 46 47. He later presents her to the Blue Silver clan, which recognizes her as its emperor despite her lost memories 51.
• Ah Rou — Xiao Wu’s mother. Lan Yu recovered her remnant soul from Bibi Dong’s Soul Ring and gave her a new body through Fungification, though he could not restore most of her memories 50 62.
• Tang Hao — Hostile opponent. Lan Yu defeated and maimed him in the Star Dou Great Forest, though divine intervention allowed Tang Hao to escape 12 16. Tang Hao later died while protecting Tang San 71.
• Tang San — Longstanding enemy. Lan Yu repeatedly undermines his allies and support networks, and admits that he intends to let Tang San glimpse hope before taking it away 71 73 81.
• Qian Renxue — A politically tense acquaintance and rival divine inheritor. Lan Yu exposed her identity, questioned her Angel God ideals, and later defeated her in the tournament 31 48.
• Bibi Dong — Major adversary. After she sent Chrysanthemum Douluo and Ghost Douluo to assassinate him, Lan Yu publicly confronted her and later sealed her with the aid of her compromised subordinates 39 41 50. He released the seal as part of a bargain with the Rakshasa God 51.
• Silver Dragon King and Di Tian — Spirit-beast leaders who agree to cooperate after Lan Yu subdues resistance at the Lake of Life. Di Tian later carries Lan Yu’s group to the Sun Moon Continent 62 94.
• Evil Emperor — Former opponent whom Lan Yu defeated on the Sun Moon Continent and assigned to spread Bifulong’s faith among its spirit beasts 96 97.

Notable Quotes

“Students and academies undergo a two-way choice.” 9

“Having enough to eat.” 31