Mo Heng

Biodata

Feature	Value
Name	Mo Heng (莫衡)
Alias(es)	Old Master Mo; Old Mo; Principal Mo
Gender	Male
Affiliation	Seven Luminaries Academy; Science and Research Department
Occupation/Role	Vice Principal; Head of the Science and Research Department; mechanical-assembly researcher and mentor
First Appearance	Chapter 22 (as an unnamed elderly mechanical assembler); identified as Mo Heng in Chapter 31 22 31

Background / History

Mo Heng is a Seven Luminaries Academy Vice Principal and the head of its Science and Research Department. Before formally meeting Xilin, he demonstrates exceptional mechanical skill by assembling a complex small robot in ten minutes at a train station; Xilin closely studies his technique. Mo Heng asks about Xilin's mechanical tutor and later recognizes him at the freshman opening ceremony. 22 31

He has spent his career pursuing the theoretical Golden Point: 100% comprehensive precision in mechanical assembly. Although Mo Heng himself reaches 99.97%, he believes the Golden Point is attainable despite no one in the Galactic Alliance having achieved it. His age has reduced the hand speed and control needed to continue advancing, and he regrets lacking a worthy successor. 34 35

Appearance

Mo Heng is an elderly man whose white eyebrows are particularly noticeable. Despite his age, he can personally repair a passenger flying car's energy system in minutes. 33 34

• Usually presents himself as a kind, approachable senior academic.
• His smile is recognized by colleagues as a sign that he is plotting something. 31
• His demeanor becomes intensely intimidating when Xilin is endangered. 46 47

Personality

Mo Heng is observant, eccentric, and highly discerning about talent. He covertly monitors Xilin's course schedule, catches him skipping class, and engineers a demanding assembly test to confirm his potential. 33

He dismisses formal instruction when it fails to offer practical value, granting Xilin special access and approving absences so that he can teach him personally. He also requires researchers to submit assembly reports explaining their reasoning rather than merely following instructions. 34 35

Though often blunt and mischievous, Mo Heng is fiercely protective of Xilin. His public scolding and cheek-pinching are understood by academy officials as a warning that Xilin is under his protection. 35 48

Abilities & Skills

Mechanical Assembly

Mo Heng is a leading mechanical assembler whose comprehensive precision reaches 99.97%, a level held by only a handful of renowned Star Alliance authorities. 35

• Assembles intricate mechanical components with extraordinary finger control and part-selection judgment. 22
• Understands and teaches the principles behind the Golden Point. 34
• Evaluates assembly quality through comprehensive-precision analysis. 34 35
• Recognizes Xilin's potential after observing him achieve 99.95% precision. 34

Engineering and Research Leadership

As head of the Science and Research Department, Mo Heng possesses extensive institutional authority and technical expertise. 31 35

• Repairs a passenger flying car's energy system, reducing a projected thirty-minute repair to five minutes. 33
• Grants Xilin Red Card access to areas normally inaccessible even to fourth-year Special Recruits. 35
• Assigns Xilin a personal workshop and personally directs his technical education. 35
• Uses his position to approve Xilin's course absences and shield him from objections by other tutors. 35

Intimidation and Influence

Mo Heng's reputation extends beyond the Research Department; Huoding becomes visibly nervous when receiving his communications. 23 46

• Mobilizes the Security Team after learning of Xilin's flying-skateboard robbery. 23
• Pressures Huoding for frequent updates after Xilin is poisoned and injured. 47
• Arranges for Xilin and other injured cadets to return to Qiyao under dedicated protection. 47

Relationships

• Xilin — Direct disciple in all but name; Mo Heng appoints him as a Research Assistant after recognizing his assembly talent and becomes intensely protective of him. 34 35 47
• Huoding — Academy Training Department head who treats Mo Heng with military-like deference and coordinates with him during Xilin's missions. 23 33 46
• Mo Qing — His son, a General in the Galactic Alliance army. 34 47
• An Ting — Fellow Vice Principal who recognizes the meaning behind Mo Heng's seemingly amicable but mischievous smile. 31 47
• Professor Lin — Old acquaintance and mentor of Teresa. 49
• Teresa — Connected to Mo Heng through Professor Lin; she visits Xilin after Mo Heng permits her entry to the hospital. 49

Story Role / Major Arcs

Discovering Xilin

Mo Heng first encounters Xilin at the train station and later recognizes him at Seven Luminaries' opening ceremony. After catching Xilin skipping class, he brings him to the Mechanical Engineering Institute and tests him with a timed assembly challenge. 22 31 33

Taking Xilin as a Disciple

Xilin's 99.95% comprehensive precision convinces Mo Heng that he has found the successor he lacked. Mo Heng appoints him a Research Assistant, gives him privileged department access, and raises his precision to 99.96% through personal instruction. 34 35

Protection During the Black Rat Operation

While Xilin participates in the black-rat operation without Mo Heng's approval, Mo Heng learns of Xilin's contributions and later reacts furiously when Xilin is injured in an ambush and poisoned through a tampered infusion bag. 47

After Xilin returns to Seven Luminaries, Mo Heng publicly reprimands him while visibly protecting him from further threats. He then forces Xilin to remain hospitalized for ten additional days despite medical clearance. 48 49

Notable Quotes

“How about it? Are you going to be my disciple or not?!” 34

“When this number becomes 100%, you will reach the Golden Point.” 34

“You’re telling me my disciple made such a huge contribution while injured, only to be ambushed by someone?!” 47

Trivia

• Mo Heng frequently pinches Xilin's cheeks, a habit Xilin finds painful and embarrassing. 34 35 48
• He frames Xilin's ten-thousand-word self-criticism and hangs it in his office, despite calling it worthless. 50
• Mo Heng changes his communicator ID frequently to avoid visitors and interruptions. 23