MTL - Advance Bravely - Chapter 162 sacrifice

In a modern world where cultivators need a place to cultivate or vent their boredom, there are private businesses that set up instance dungeons with the aid of technology and cultivation magic to enable cultivators to train and commoners to experience the life of cultivation. They are called dungeon suppliers.
Xie Jin's one and only dream was to be a dungeon supplier and when his only relative passed away, the relative's inheritance gave him a plot of land and surprisingly, a 'System' Module which the relative had previously used.
With the help of the system, Xie Jin decided to pursue his dream of becoming the number one dungeon supplier.

With the appearance of the Title System, who wouldn’t want to rule the world, uncover the endless mysteries of the Dead Worlds, or become the new symbol of humanity?When the Great Distorted Cataclysm descended upon Earth, humanity received an answer to one of the most frequently asked questions in history.Is there life beyond Earth?And the answer was yes, as Distorted Gates began appearing all over the world, from which wave after wave of Distorted creature of various shapes and sizes emerged. These Gates concealed bottomless Dead Worlds, each filled with countless histories and secrets.And teenagers who had turned sixteen received a special Title System. Within this system, they were granted a random Title that determined their unique abilities.Shadow Assassin, Phantom Lady, Ethereal Entity… There were many Titles with cool names and strange powers.But Lin surpassed them all — he received the rare Title: Lord of the Time!Orphaned at the age of ten and forever driven by a thirst for vengeance, Lin embarks on a new path to gain the power he needs to fulfill his long-awaited revenge.“With this Title, I finally have the strength to take down the Matrix family and carry out my long-awaited revenge! Mom, Dad, rest peacefully in heaven… your son is going hunting!”This is the story of the birth of time…Wait a second — didn't time always exist?!

Lou Yao Yao wasted her life fighting over a man, only to find out he wasn’t worth it in the end. Because of this man, she accidentally killed her rival in love, and even ruined the man who had always been watching over her.

Getting reborn as her 20 year old self, there is still time to fix everything. Lou Yao Yao decided to live as a genuine vicious woman. After getting her hands on the loyal like-a-dog man, she would show that cheating couple what pure loving affection looked like.

- Description from Novelupdates

The empire has turned into the land of the undead due to a spell gone wrong. God summoned heroes from countless worlds to purify the empire and plant new hope. Lee Shin Woo, an ordinary earthling, was also summoned. As an undead, that is.