MTL - From the Dungeon, Slaughter the Demon Apostle - Chapter 669 Can't find any flaws

After transmigrating into a weak noble body, Marvin discovered that he was familiar with the world, this was the game he played in his previous life and… Damn! He only had six months before the Great Calamity!

As a former top player, he would obviously fight to save the world… Yeah, no. Time to plan and prepare for the upcoming events, better to use that knowledge to get ahead rather than fight with gods.

Follow Marvin’s journey through this new world.

- Description from Novelupdates

The invincible strongman who roams through the city by day and night, a supreme soldier king that moves across the urban landscape.

When Fang Zheng opened his eyes, he was surprised to find himself reborn in a fantasy world of magic, dragons, knights, and princesses. Not only that, but even the game system that Fang Zheng had designed before also followed him into this world. Then, his next step would be to traverse thousands of plains, gain endless strength, become a brave hero, defeat the devil, marry the princess, reach the apex in life… wait, wait, wait, before all that, why was he reborn as someone who everyone called a cultist?

Six thousand years ago, Su Changsheng traveled through the fantasy world. He practiced hard and wanted to reach the peak, but he failed to even attain sainthood and was backlashed. He was disheartened, and when he wanted to die…The system was accidentally activated.‘As long as you marry a wife and have children, and develop the family, you can continue to get rewards and resources.’Su Changsheng suddenly realized the right way to advance to the peak.[You married Gu Qingge, the Empress of Destiny, and she gave birth to your first daughter. Talent: Indestructible Body, Aptitude: Peerless in the world!] [Rewards: Indestructible Body of the First Demon of All Calamities; Emperor-level Scripture!] [You vigorously developed the family and successfully promoted it to the ancient family!] [Rewards: Ancient Clan Gift Package; Luck-Golden Dragon; Imperial Weapon from Ancient Clan] [You married the Ancient Queen…] [You married Quintuplet Goddess from the Celestial Clan…]“I can have such achievements in my life, it’s all thanks to my own efforts!”Several years later, Su Changsheng, the supreme immortal master of the heavens, revered as the Great Heavenly Emperor Changsheng, humbled himself.