MTL - Dangerous Survival in the Apocalypse - Chapter 121

He crossed over to a new world where humans have magical power. They are called warriors. They use their power to kill the monsters that appear out of nowhere. Dragons, Dungeons, and Magic users are pretty common in this world. If you want to live in peace, you need to have that power. You can also become a powerful clearing dungeon.

In this dangerous world, he has a system that can help him grow stronger. But he didn't want to be a high-profile warrior who attracts much powerhouse attention or become a lab rat. He wants to be Low-profile and grow strong using his system.

He praised her, “Wifey, you are a genius!”

[Starting MAY 19th, I'll upload 3 chapters per day, or at least 2 if I'm busy IRL.][Ding! Resurrection of the Dead can be used on this target.][Ding! Extraction of the Dead can be used on this target.]…When he was surrounded by thousands of his enemies, Kai decided to comply by extracting his 'strongest skill' in order to cause chaos and drag more people to hell with him.However, when Kai extracted his skill, he awakened an unknown power that made him feel that he had complete control over everyone's life and death.A mysterious old man awakened from his slumber when he sensed Kai’s power and decided to help him, as this could be considered a fate.Nevertheless, everything came with a cost…[Ding! Re-Awakening the host’s class.][Ding! An error has been detected.][Ding! Finding a solution…][Ding! Congratulations to the host, you have awakened the Immortality Lord Class (???)]

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!

- Description from Novelupdates