Wiki & Encyclopedia: Seeking Immortality In The Mysterious World: I Have A Magical Tree

The protagonist, a thirteen-year-old youth who has recently begun operating his family's medical clinic. He is a pragmatic individual who values survival but harbors a cold, decisive resolve when threatened.

Xu Dao's mother, a woman in her thirties who has lived modestly and is concerned about the family's sudden shift in fortune and the predatory behavior of local tax collectors.

A corrupt tax collector who targets vulnerable businesses, particularly the Xu family clinic. He is malicious, greedy, and predatory toward women.

A subordinate of the tax collector Wang Gong, assisting in the extortion and harassment of the local medical clinic.

Xu Dao's father, a physician who has been missing for over a month, whose absence leaves the family vulnerable to exploitation.

Xu Dao's younger sister. She is intelligent, quick-witted, and naturally talented at learning. She is currently studying medicine and literacy under Xu Dao's guidance, with plans to eventually learn martial arts to ensure her survival.

The unnamed wife of the tax collector Wang Gong, who was killed by Xu Dao to eliminate potential witnesses after he dealt with her husband.

The Magistrate of Yanghe County, a shrewd and calculating official who prioritizes stability and control over public welfare.

The Assistant Magistrate of Yanghe County, an ambitious and sycophantic official who manages administrative and military affairs under the Magistrate.

The Master of the Civil Bureau, tasked with maintaining administrative order in the county.

The head of the Demon Suppression Bureau, responsible for handling supernatural threats, though his actual effectiveness is doubted.

The leader of the Black Tiger Gang who holds sway over local interests.

The leader of the Three Rivers Gang, an influential local gang figure.

A soldier from the North City Barracks and an associate of the patient Li Yuan. He appears grateful and pragmatic.

A severely injured martial artist saved by Xu Dao. He is an associate of Wang Yun.

An associate of Wang Yun who initially displayed hostility toward Xu Dao but became grateful after the treatment succeeded.

A low-ranking official tasked with investigating recent murders. He is persistent in his work despite the apathy of his superiors.

A low-ranking official and colleague of Liu Mazi who prefers spending time at brothels over tedious investigations.

A young neighbor from the alley and the second son of Liu Gen, currently working as a cowherd to support his family.

A neighbor residing on the same street as the Xu Family Medical Clinic and father to Liu Weimin.

An honest youth from Xu Dao's childhood who works as a herdsman. He lives with the constant fear of supernatural threats and the harsh realities of the drought affecting the outskirts of the county.

A high-ranking official serving as the Medical Councilor (Yi Cheng) at the Medical Bureau. He is a formidable martial artist himself and possesses a sharp, discerning eye regarding medical talent.

The wife of Elder Ge, who welcomes Xu Dao into their family by gifting him a significant sum of gold to support his cultivation.

A mysterious, black-robed cultivator residing within the Demon Suppression Bureau. He harbors an unexplained, palpable, and intense malevolence toward Xu Dao.

An aging, loyal servant in Elder Ge's household responsible for transport and errands.

The highest authority figure in Yanghe County. He possesses a refined and gentle appearance, meticulously groomed, yet harbors a profound and formidable martial cultivation level that allows him to exude a calm, spring-like composure.

A loyal, resourceful servant working in Elder Ge's household. He acts as an intermediary and assistant to Xu Dao, providing internal guidance on the household's affairs.

A duty officer (Du Tou) at the Inspection Bureau. He is pragmatic, slightly weary of the dangers of his profession, and wary of potential supernatural threats. He serves as a reliable colleague to Liu Jian.

A duty officer (Du Tou) at the Inspection Bureau and a persistent investigator. He is sharp, vigilant, and possesses strong combat instincts, able to detect the presence of supernatural entities (demons/ghosts) before they materialize.

The head of the Inspection Bureau, authoritative and decisive. He works in tandem with Wang Xian to manage the cleanup and investigation of supernatural incidents.

An enigmatic mentor figure who previously instructed Xu Dao and Xu Lu, recognizing their extraordinary natural talent and innate spiritual potential.