MTL - The Legendary Mechanic in Marvel Universe - Chapter 566 poisoning

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

Tara has given it her all, taking care of Derek and being a devoted house wife. But he takes it all for granted, and brings home his first love one sudden day. He even goes as far as divorcing Tara, just so he can be with his lover.Seven years later and Tara returns with her smart and handsome son, Richard. Derek is jealous and wants to take him from her. He is even desperate as to make Tara his wife again.“No. We are over, Derek. You will not take my baby away from me. Go back to your mistress.”He is going to do everything he can to take her back, but what he doesn't know is that there is another billionaire out there who is madly in love with Tara and her amazing baby.

“Hmph, my dumb big sister is in danger!” A mischievous grin spread across his face. “Hehehehe... this gives me the perfect excuse to finally use this treasure I’ve acquired but never bothered with!” He rummaged through his belongings, carefully selecting various items. “A bit of this... and this... and a dash of this.” Boom! The explosion of energy sent a ripple through the air as he laughed maniacally. “Hahaha! It’s done! Now, all I need is a compatible host for it.” Years later... “Did I overdo it?” he wondered in awe, watching as his creation wreaked havoc, conquering world after world with ease, as though stealing candies from children.

[Double wear + era group pet + ability + space]

Jiang Zhiying, the female overlord of the last days, transmigrated into the villain female supporting role who kept dying and ended miserably in the era text.

My father is the future boss, but my mother is the boss’ best ex-wife. Grandpa’s family doted on her, but she was the villain in the book, and she would not end well in the future.

There is also a scheming heroine who always wants to rob her father and the space jade pendant~

Jiang Zhiying said that this is not a problem. With space and abilities in hand, she can roam freely.

and many more! How did the mortal enemy pass through!

Jiang Zhiying decided to attack first, who would have known that the eyes of her nemesis were getting more and more wrong!

PS: 1V1 Shuangjie sweet pet, the male and female protagonists are big brothers.

- Description from novelbuddy