Knight's & Magic - Volume 4, Chapter 35 The Princess’ Stratagem

Traveling to the wizarding world, Eli found that he was an Eternal.

Life is infinite, life is immortal.

“What? The talent is very poor, then I will meditate for ten years, centuries, and thousands of years, and I can always meet the promotion requirements.”

“This skill is hard? Oh, let me study it for decades to see if it’s really that hard?”

“Consuming life force, improving mental force, and this kind of good thing.”

“The enemy is here? Oh, let me find a place to hide for a thousand years, until his lifespan is exhausted and his mental power dissipates, and then I will come out again, free and endless void.”

…

This is the story of an immortal who lives in the wizarding world and then kills the endless world.

- Description from novelbuddy

Others treated disease to save person, he treated disease to steal heart.

The Frost Goddess was deeply captivated by him. The gentle and kind beautiful teacher was completely enchanted by him. Even the cold and beautiful female assassin melted quietly because of him.

Competing in medical skills? He was the one who treated the Godly Doctor. Competing with backgrounds? Leaders rushed to him. What? You actually wanted to compete with him in a match for match? Looking at the gentle girl beside him, Tang Yu had a headache as he said, “Beautiful girl, how did you fall in love with me?”

- Description from Novelupdates

[Warning : Mature content R-18]*Premium quality lemons*Excellent waifu with genuine and diverse characters.*Milfs in equal abundance.*Harem members all equally important to the story!*****************************In a world ravaged by the XY Plague, a relentless genetic virus targeting the Y chromosome and crippling male fertility, Zafron, an 18-year-old orphan, faces a grim fate. Sold by his manipulative stepmother to a powerful noblewoman known for her wealth and influence, Zafron's life takes a sudden and dangerous turn.Lady Matilda, determined to secure a future for her noble house amidst the dwindling male population, discovers an astonishing truth about Zafron through rigorous genetic testing that changes everything.Disposed and discarded to his own means, Zaphron falls into a fatal encounter. Now at the point of death, pitied by a diety, Zafron is granted a system but not just any system. Zaphron is gifted the Eros vitality system!Now with his system, he emerges as the most genetically potent male known to exist in his world. But of course, this comes with a price.—Zafron now becomes a target not only for ambitious and desperate noble mistresses but also for men desperate to restore their own fertility, he must navigate a perilous path where trust is scarce and danger lurks at every turn.-------------------[Lady Seraphina, prime minister of Talkyo wants your seed][Princess Cordelia von Aldenberg would like a night with you][The prime minister of Winchester, her excellency is offering her daughter to you].....“I never asked for this burden, but I will carry it. My potency is not just a gift—it's a responsibility to safeguard the future of our kind. So to all the women that I love, believe me when I say that my precious seed will be yours if you give me one thing...”