Fairy Tail: Collapsing Stars - Chapter 11 - Erza and Laxus

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

Zhang Yan worked tirelessly for three years, all to save money and buy a house.But in the end, he discovered that all his money had been secretly transferred by his fiancée to her ex-boyfriend to fund his startup.In his fury, the God-Level Choice System was activated.1. Forgive her and receive the title “Enduring Green Turtle.”2. “Who doesn’t have an ex?” Call my ex-girlfriend and say, “I regret it. I want to get back together with you.” Reward: 30 million yuan and a “1 Yuan House Purchase Voucher.”Was there even a choice to make!?Without hesitation, Zhang Yan called his ex-girlfriend and said, “I regret it. I want to get back together with you.”“I’ll be there right away.”Fifteen minutes later, a breathtaking beauty, scoring 99 out of 100, arrived in a Lamborghini… with a household registration book in hand.(The synopsis is a bit weak, please read the main story.)

This is the tale of an earthling, who transmigrated as a dying third-rate god but somehow rose through the ranks, gaining followers and eventually causing the Fourth Great Apocalypse.

Condition 1: One yellow scarf soldier rune is satisfied

Condition 2: Kill 100 rune monsters independently

Condition 3: 5,000 times of training to kill a pig with a knife is satisfied

Condition 4: 10 Spirit Talisman Pills are satisfied

Rune unlock upgrade.

Your source runes have been promoted from ordinary quality [Yellow Turban Soldiers] to premium quality [Yellow Turban Warriors]!

- Description from novelbuddy