Extra's Harem: Invincibility Starts with Marriage and lots of Children - Chapter 14 - - Reaper’s Emotions?

One of the four greatest braggarts in the web novel circle, Zhang Xuan, has entered the 【Source World】, a higher dimensional plane even above the Empyrean. With the complete version of the Library of Heaven’s Path that encompasses the capacities of the 【Heavens’ Imperfections】, 【Heavens’ Order】, and 【Heavens’ Nature】, he embarks on an adventure — showcasing his might — across the world! Searching for Fate, Resigning Oneself to Fate, Knowing One’s Fate, Commanding Fate... While all of you are still cultivating your fate, seeking fate, or borrowing fate, I, Zhang Xuan, already possess the ’Eternal Fate of the Heavens’!

Demons and Beast descended, terrorizing the whole world for the past hundred years. Everyone can awaken a grimoire and summon a beast during their age of ceremony. Lucas, awakening the weakest grimoire, also awakened the weakest beast- a small dog with no combat capabilities. Fortunately, as a transmigrator, Lucas also mysteriously awakened a system that allows him to evolve his summons into their mythical beast counterpart. Follow Lucas and his journey to greatness as he evolved his beasts into never been before seen mythical creatures.

The first time Yan Zhaoge crossed worlds, he landed in a martial warrior civilization that was at the peak of prosperity. He ended up in the book storage building of the the Divine Palace, which collected and preserved the classics of the entire world from all fields of knowledge. However, a world class calamity struck soon after and even the Divine Palace was destroyed.

Yan Zhaoge’s soul once again crossed over, but this time he arrived in the same world, except countless years have passed.

With his brain full of rare books and classics from the era of peak prosperity, Yan Zhaoge’s second crossing over to the present era was like a gamer who was used to playing hell mode suddenly finding himself playing the game on easy.

That was just way too awesome.

But before that, he needs to fix a certain problem.

“I’m not a main character? In fact, I’m actually the main character’s love rival and the antagonistic Mr. Perfect senior martial brother? This script is wrong!”

- Description from novelupdates

I thought I would live a better life in my second lifetime. Unbelievably, I’ve reincarnated into a slime that rolls around on the ground. Anyway, this is my precious new life, so I must work hard.