SSS Cultivation: I Can Conquer Earth's Rank System - Chapter 4: Help!

In the tenth year after the new era, the world finally came to an end. Zhang Mu truefully waited for his death, but unexpectedly found that he had returned to ten years ago. With his memory about the future, he swore that he would change the calamitous history, saving the earth from being destroyed! Walking dead, zergs, evolvers, and various mutated animals… nothing can stop him! The first step is to retrieve his identity as an era merchant , then find all the treasures he can remember to enhance himself!

- Description from Novelupdates

Returning to the Mysterious Era features a boy who can time-travel back to the past using old relics. The twist? He’s stuck in the body of the relic’s owner.After a near-death experience, Cassius unlocks his ability to travel to the past in the body of Li Wei, a member of the Wind Elephant Sect. Li Wei was a coward who lived a life of regrets up until the day the entire Wind Elephant Sect was mu*dered. As Cassius relives Li Wei’s past, he makes different decisions to show Li Wei a different kind of future.By living out the ups and downs of Li Wei’s life, Cassius is introduced to the world of Covert Martial Arts, ties that run closer than blood, and supernatural forces. Crossing the line between the ordinary and supernatural, he realizes there’s no way back. New friends and enemies slowly integrate into his reality.Now, he must uncover the secrets of Covert Martial Arts and get stronger to survive.

It's been 25 years since the apocalypse, when the world we knew changed forever. It was then that terrible monsters appeared and some of humanity evolved to fight them.Seraphine a 18 year old citizen in Newber, was living a peaceful life with her parents, learning at the Academy, to get a nice job within the government. At least, until everything turned for the worse and she ended up as an Evolved in a destroyed city.

Charles transmigrated to the Beast Mastery World and became a Beast Master.At the beginning, he participated in the Beast Awakening Ceremony, where there were thousands of pets with varying qualities. Which one should he choose?At the start, he participates in the Tamer Awakening Ceremony, with thousands of pets of varying qualities. Which one should he choose?Fortunately, he has awakened a system that allows him to see hints that only he can perceive.“Hint: 【The Double Sword Praying Mantis】, Lv1, decent skills but low quality, insufficient for later stages...”“Hint: 【The Four-Winged Tiger】, Lv1, strong and robust but timid, may abandon its master and run away...”“Hint: 【The Frost Wolf】, Lv5, Gold quality, extremely rare with both Ice and Fire attributes...”Charles: “I want to make a contract with the Frost Wolf!”Teacher: “The success rate for the first contract is 100%, which is very rare. Are you sure about your choice?”Guild: “This Frost Wolf is weak and has poor combat ability. Are you sure you don't want to reconsider?”Charles: “No need to reconsider. It’s the one!”