The Grand Secretary’s Pampered Wife - Chapter 173.2: Siscon

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

'Death' It was meant to be the end, but it brought a new start.After a destructive nether storm consumes his world, Jack finds himself face-to-face with a powerful being who tasks him with a mission he can’t refuse.Reincarnated as Asriel—the most tragic, doomed character from a novel he once read—Jack’s frustration grows: “Damn it, why this fool?”Now, he must navigate Asriel's cursed life, facing relentless supernatural beings that threats him with a single hope:[Necromancy System Activated!][Ascend as the Ruler of the Undead!]But can Jack rise above Asriel's fate, or will he, too, fall prey to the shadows lurking in his new world?

There is no battle qi or magic here, only the royal beasts that have multiplied to the peak!

After time travel, Chen Mo awakened the talent of the entry training manual. After completing the challenges, he could endow spirit beasts or himself with various entries, so unscientific spirit beasts were born in his hands.

[Bronze wall and iron wall · Indestructible · Rough skin and thick flesh · Best meat shield · Yuan

A super-meat fox that is immune to…]

[Soul Singer·Actor·Popular Idol·Elegant…] Soul Diva.

[Master of fishing, master of throwing pots, clown, hard-mouthed…] the apostle of misfortune.

Ghost Assassin, Lurker, Son of Light, Fengshen Beloved, Phoenix, Emperor Ou…

【No Heroine】【Not Dark】

The introduction is weak, please move to the text.

Authority for Magical Creatures: 811296620

- Description from novelbuddy

In a certain world, there was someone who excelled in magic combat, people called him 『Sage』. Seeking the strongest combat art, he devoted himself to research every magic and combat arts in existence. And the conclusion he arrived at was very cruel, 『My body is not fit for magic combat』. Yet he didn’t give up. He sealed his own soul with a magic art, and was reborn in a far-off future. And the magic theory in the completely changed world he saw there was of unbelievably low level.