Do you know a novel from a long time ago?

It was about 6 years ago. It was about humans moving underground and finding that their lifespan was shorter. In the virtual world, the protagonist and 3 people went to explore. The protagonist chose the ability of wind and fire. When he fought with monsters, he used the power of darkness to be transported to another planet. He seemed to be called the Phoenix God to help fight against the demons. I didn't see the rest. I want to see it.
The female lead seems to be called Ji Nanbing.

Answer 1

I don't think it will necessarily meet your needs, but I will try my best to recommend a novel that is most relevant to your description."My Stupid Life in Those Years" is a novel written by the author, Unless Tianhu. The general plot of this novel is as follows:

I admit that my life was a little messy in those years. So write it down, to pay tribute to those years, and the women of those years! The new book, The Age of Advertising, had been released, and more exciting characters and lives were unfolding once again! Please read it…
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"The Rise of the Literature World" was a novel about urban life written by the author, a romantic scholar. The general plot of this novel was:

This book is a classic story of recollection!
Let the protagonist bring you back to the most classic moments of our time!
"The novels, movies, and songs that once made your soul throb can be found in this book!
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"I Can Revise My Script" was a mystery novel written by the author, Little Fish Pond. The general plot of the novel was:

My name is Qian Ye, and I'm a novelist. Three years ago, I met a girl called Youjian. I had a passionate relationship with her…But later, she disappeared. Just like that, she disappeared from my eyes and everyone's memories. I tried to find traces of her existence, but I couldn't find any information. One day, there were two more chapters of a strange novel in my draft box that I couldn't delete. At the end of the novel, there was someone shouting,"Save me!"... I was pulled into a horror novel, starting from a passerby…I am searching for her, I am redeeming myself. I can modify the content of this novel world... [PS: Not in the first person][PPS: New book "Gradually Going Crazy" has been released. Welcome, everyone. Thank you.]
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"The Story Begins in 1998" was a reality-based novel written by The Jungle. The general plot of the novel was:

The story was set in the ten years since 1998 in China. Through the influence of different traditional cultures, it portrayed the frustrations, pursuits, joy, and love of ordinary people at that time. It told the story of several young people from ordinary small mountain villages in the south looking for cultural belonging. At the same time, it also showed the twists and turns of people's desire for a better life from the needs of material culture to the glorious road of the times.
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"I Come From Before the Historical Fault" was a light novel written by the author, The Stars Have Passed. It was an original fantasy novel. The general plot of this novel was:

He closed his eyes and opened them again. The autumn night had actually arrived a hundred years later. He had no system, no background, and was all alone. However, he realized that even in the face of this bizarre future world, he still had the most powerful weapon-the memories of history in his mind.
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"The Hunter's Lost Memories" was a light novel by the author, March Black Today. It was a derivative doujinshi novel. The general plot of the novel was as follows:

This article is also known as "I just want to go home after being traumatized". I traveled to the Hunter World more than 20 years ago in the main storyline to find the way home. It wasn't the trait system, it wasn't the trait system, it wasn't the trait system. Important things had to be repeated three times.
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"Book of the Past" was an ancient romance novel written by the author, Ye Yixi. The general plot of this novel was:

Gu Xinian had died, but he had come back to life as a book. She had a new father. Although her father was not very reliable, she had a younger sister. Although her younger sister did not like her at first, she later met an older brother who was four or five years older than her. However, she wanted to be her father wholeheartedly…However, this was not a big deal. The main point was, why was this person, whom she had only met briefly, looking for her and saying that she was very important to him? Searching for the solution, waiting online, quite urgent...
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"Reborn Innocence 79" was an urban novel written by the author, I Fight For The World. The general plot of this novel was:

Reincarnated in the 70s, going back to history, his previous life was no longer the past, but the future! The new book,"Countercurrent 1991" has been published. If you like it, you can go and watch it!)
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Memory Corridor was a light novel written by Night Walker Z. It was a fantasy novel. The general plot of the novel was:

Memories were a person's past, a person's memories, a person's treasure. At the same time, they could also change a person. Painful memories made people struggle, happy memories made people jump for joy, and painful memories made people work hard. In the long river of memories, there were always endless stories.
Have you ever thought about what you would look like after losing all your memories?
You don't remember the happiness, sadness, and past;
You also don't remember your friends, relatives, and lovers;
You don't even remember your name, occupation, or what you've experienced.
Searching for oneself and retrieving lost memories was the theme of the Memory Corridor.
However, the process of searching was a little difficult, painful, and often accompanied by danger.
People desperately wanted to reach the end of the corridor, but what would be waiting for them at the end of the corridor?
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"Time Walks Before Her" was a modern romance novel written by the author, Tan Lisheng. The general plot of the novel was:

The older you grew, the more you understood that time would remember some people, but it would also abandon some people. Therefore, in your life, you must always find something to look up to. This way, even if time abandoned you, the night sky would still not be dark and dull…