You could explain it by giving them a special diet or a connection to nature that provides longevity. Or, make them have a deep understanding of some ancient wisdom or magic that helps them live longer than others.
One way is to create a myth or legend around their origin. Say they were blessed by gods or evolved in a special environment that grants them long life. Also, describe their culture and traditions related to longevity, like special rituals or ways of living.
Han Li's age was recorded in different documents. According to the description in the Mortal Cultivation Biography, Han Li had cultivated for several hundred years in different cultivation realms. However, the specific age information was not consistent in the search results provided, so it was impossible to accurately answer how long Han Li had lived. While waiting for the TV series, he could also click on the link below to read the classic original work of " The Legend of Mortal Cultivation "!
In the novel "Mortal Cultivation Legend", Han Li lived for about 3000 years. While waiting for the TV series, he could also click on the link below to read the classic original work of "The Legend of Mortal Cultivation"!
Han Li's age was mentioned at different times, but no specific information was provided to answer how long Han Li had lived. Thus, I don't know how long Han Li has lived. While waiting for the TV series, he could also click on the link below to read the classic original work of " The Legend of Mortal Cultivation "!
There was no clear information about Mo Jianli's exact lifespan. Although there were some descriptions of Mo Jianli, there was no mention of how long he had lived. Therefore, based on the information provided, it was impossible to determine how long Mo Jianli had lived. While waiting for the TV series, he could also click on the link below to read the classic original work of " The Legend of Mortal Cultivation "!
In << Mortal Cultivation Biography >>, Mo Jianli's age was unknown, so it was impossible to know how long he had lived. Mo Jianli was the Grand Elder of the Seven Mysteries Sect in Yue Country. He was at the peak of the late stage of the Foundation Establishment Realm. In the Trial by Blood and Fire, Mo Jianli had been pursued by the Gold Devouring Beetle King in order to save Han Li. He had no choice but to use a secret technique to fake his death and was then taken to the Outer Star Seas by the Gold Devouring Beetles spat out by the Beetle King. Later on, Mo Jianli was brought to the Scattered Star Seas by the Ice Soul from the Outer Star Seas. The master of the Ice Soul Palace took her in and removed all of her cultivation techniques to cultivate the Ice Attribute cultivation techniques of the Ice Soul Palace. In the end, Mo Jianli broke through to the late-stage Core Formation realm in the Scattered Star Seas and became an elder of the Ice Soul Palace. While waiting for the TV series, he could also click on the link below to read the classic original work of " The Legend of Mortal Cultivation "!
Xiang Zhili was a Deity Transformation cultivator from the Mortal Cultivation Biography. He had lived for a very long time, but there was no clear indication of how long he had lived. According to Wang Yu's design, the Original Infant Stage was about a thousand years old, the Soul Formation Stage was only a few thousand years old, and only the Void Training Stage was ten thousand years old. Therefore, Xiang Zhili might have lived for thousands of years. His life was filled with the colors of a legend. He was once one of the strongest cultivators in the human world and had helped Han Li many times. However, he had ultimately perished during the process of ascension, and his body and mind had been invaded by demons, allowing him to walk through the Spirit Realm as a puppet. While waiting for the TV series, he could also click on the link below to read the classic original work of " The Legend of Mortal Cultivation "!
According to the relevant information in the Mortal Cultivation Biography, Ancestor Ao Xiao had passed 21 heavenly tribulations in the dacheng stage. Each heavenly tribulation was separated by 3000 years, so Ancestor Ao Xiao had lived for at least 63000 years. In addition, Ancestor Ao Xiao still had hope of advancing to the Mahayana realm, which brought him extra lifespan. However, the details of how long he had lived were not clearly mentioned in the information. While waiting for the TV series, he could also click on the link below to read the classic original work of "The Legend of Mortal Cultivation"!
Han Li's age was distributed across different cultivation realms and time periods. However, they didn't provide any specific information to answer the question of how long Han Li had lived. Thus, I don't know how long Han Li has lived. While waiting for the TV series, he could also click on the link below to read the classic original work of " The Legend of Mortal Cultivation "!
In the "Mortal Cultivation Biography", Han Li didn't clearly state how long he had lived. The novel was a long Xianxia novel, and Han Li was the main character of the novel. The novel's background was a fictional cultivation world. Han Li experienced many life and death trials and cultivation breakthroughs in this world, and finally became an Immortal. At the end of the novel, Han Li didn't explicitly state that he was immortal or how long he had lived. Instead, he left this world and headed to a higher level of cultivation. Thus, it was impossible to determine Han Li's lifespan in the novel. While waiting for the TV series, he could also click on the link below to read the classic original work of " The Legend of Mortal Cultivation "!
In the setting of the "Mortal Cultivation Legend", Han Li was a mortal, and his lifespan was the same as a mortal's. At the end of the novel, Han Li ascended to the Spirit Realm and became a Mahayana cultivator of the Spirit Realm. While waiting for the TV series, he could also click on the link below to read the classic original work of " The Legend of Mortal Cultivation "!