Mage Manual - Chapter 23 - Observer? Sword Maiden?

A phoenix is a creature of legends, a wonder of the world, an imagery of life and destruction. This fabled creature signifies the rise of a hero in a virtual world where battles occur for the sake of honor and glory!

Zhang Yang was a professional gamer in the first and most fantastic game that revolutionized the world: God’s Miracle. A game where traditional knowledge in RPGs did not matter anymore, players would have to manually target and evade attacks, giving rise to a significant gap in skill between a professional and an amateur gamer.

Zhang Yang’s downfall came a little too soon. His girlfriend was snatched, his guild was harassed and disbanded, and he was even driven to commit suicide! Jumping off the top floor of a hotel, Zhang Yang seemed as though he was soaring like a phoenix. Little did he know that the end of his life also signified his rise from the ashes.

- Description from novelupdates

One day, Zhang Fan, a poor medical student, receives a medical system from the future. This turns him into a new shining star in the medical field. Along the way, he must face medical corruption, competition, and infighting from other doctors, and even find time for a love life as he strives for the top of the medical field!

After his soul transmigrated into the world of Teyvat, Luo Qing was selected to become the new Trainee Fatui Harbinger, and he was about to be sent to Liyue on a diplomatic mission (to cause chaos). To his surprise, he awakened a “Frustration Value Collection System” — as long as he frustrated others, he could collect frustration points, which he could use to participate in a lottery.As he stared at the list of items in the lottery interface, Luo Qing fell deep in thought:“Spirit Speech: Time Zero,” “Multi-Shadow Clone Technique,” “Thunder Breathing Style,” “Golden Experience Requiem,” “Railgun,” “Gomu Gomu no Mi...”Why on earth were these things appearing in the world of Teyvat?!Given the notorious reputation of a Harbinger, Luo Qing knew that if he didn’t grow strong, he was certainly doomed to a miserable end. Thus, his style became... increasingly abstract...---Years later, to prevent the infamous Fatui Harbinger, Luo Qing, from causing havoc everywhere, the people and political leaders of the Seven Nations united to issue a formal protest to Snezhnaya.In response, the Fatui in Snezhnaya issued an official statement:“This Harbinger is only a trainee. He has been dismissed.”

In the end-French era, after countless calamities, the era of cultivation is coming to an end. The last combination of air transportation and evolution has evolved into the treasure board, which was obtained by the last practitioner in the end-French era, which opened up a legend of wandering heavens.

- Description from Uukanshu