Tate no Yuusha no Nariagari - Chapter 373 - A Couple’s Strength

Bai Aoxue, the best mercenary in the 21st century, is accidentally sent back to the Chengxi Dynasty in Great Continent due to an explosion in her mission, and trapped in the first daughter of Prime Minister. After her rebirth, she is set up by her father to marry the 5th prince Jun Yeyan who wears a mask all day long.
In the face of bloodthirsty enemies, discord between brothers, collusion among courtiers and invasion of enemy state, can Bai and Jun resolve the crises? What will happen to their political marriage? How will the fierce battle for the throne end?
With many twists and turns, the book brings you to experience palace revolution, love and hatred thousands of years ago.

- Description from Novelupdates

# pet beasts # impart cultivationLin Bai transmigrated to an eastern fantasy world where everyone cultivates.On the day he transmigrated, he received an Impart Returns System.As long as he imparted his cultivation to a pet beast, the system would return him a random reward that could be anything between twice the amount he imparted or even up to 10,000 thousand times.[3 years of cultivation imparted to White Cat. 10X returned. You now have 30 years of cultivation!][White Cat has activated the genes of the ancient White Tiger! White Cat has evolved into White Tiger!][5 years of cultivation imparted to Green Snake. 100X returned. You now have 500 years of cultivation!][Green Snake has activated the genes of the wild Green Dragon! Green Snake has evolved into Green Dragon!][8 years of cultivation imparted to Firefinch. 1000X returned. You now have 8000 years of cultivation!][Firefinch has activated the genes of the ancient Phoenix! Firefinch has evolved into Phoenix!][10 years of cultivation imparted to Spirit Fox. 10000X returned. You now have 100000 years of cultivation!][Spirit Fox has activated the genes of the Nine-tailed Fox! Spirit Fox has evolved into Nine-tailed Fox!]Before imparting, everyone always says, “My goodness! This guy’s pet beasts are so powerful!”After imparting, everyone always says, “Good god! This guy is way more ridiculously powerful compared to his pet beasts!”

In this brand new era of Beast Taming, who can rightfully claim the title of the King of Beasts?

Noir, third son of a “beggar noble,” lost his job and was at a loss, but fortune struck just as he was contemplating becoming an adventurer.