MTL - The King - Chapter 288 route

Transmigrated to the world of Demon Slayer, only to become a swordsmith?“Then I'll forge the strongest Nichirin Blade!”With each hammer strike against the iron ingot, a notification appeared...[Impurities -1]After a hundred refinements, another notification...[Constitution +1]Upon completing the weapon, a final notification...[Current Weapon Sharpness Level: 1][Forgemaster: Strength +10, Constitution +10, Agility +10, Speed +10][Reward: Sun Breathing Technique!]“Maybe... I should become the strongest swordsman after all?”

Mark is a genius military weapon designer who was kidnapped by a mafia gang after refusing to work for them.
They forced him to design unique weapons for five years, until one day he successfully escaped only to get shot by his trusted comrades.
*Ding! You awakened a weapon system.
When he opened his eyes, he was in a different body and in a different world.
"You want to kill a wild boar without being detected? Forget about bow and arrow. Here, I present you this sniper rifle."
"You want to kill a horde of goblins from the sky? Forget about those flying carpets and brooms. Here, I present you the fighter jet."
"You want to kill a dragon? Forget about taking the help of the S-class adventure team. Here, I present you a nuclear bomb."
Join Mark Spencer/ Lu Zhen as he brings the whole world to its knees with the help of his weapon system.
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Note: Author isn't born in an English-speaking nation and has no editor either. So, please be understanding if there are any grammatical errors.
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Lü Yang transmigrated into the Cultivation World and became a disciple of the Demon Sect, the Primordial Saint Sect.Fortunately, he obtained the mysterious treasure 【Book of a Hundred Lifetimes】, which allowed him to restart a new lifetime after death, letting everything begin anew. He could even bring back treasures, cultivation, lifespan, and might even awaken special talents from his previous life.However, the number of uses was limited; it did not grant true immortality.As the Cultivation World was on the verge of chaotic times, Lü Yang had originally decided to lie low in the Demon Sect, cultivating painstakingly through one lifetime after another. He would not leave the mountain unless he achieved immortality. Yet, the Demon Sect was extraordinarily perilous, and talents were everywhere.In the first lifetime, Lü Yang suffered a forced assault and was directly overexerted to death by his Senior Sister.In the second lifetime, Lü Yang seized power from below and overexerted his Senior Sister to death, but still could not escape the deadly hands of his Senior Brother.The third lifetime… The fourth lifetime…Until after a hundred lifetimes, when he looked back, Lü Yang realized that he had already become a Great Overlord of the Demonic Path, the most beastly existence within the Primordial Saint Sect.“The Demon Sect is truly full of talents, and they all speak so nicely.”“I really love it here!”

The destitute young miss of the Ling family was weak, had lowly qualifications, was ugly and frequently bullied. In the end, she was pushed into the freezing river by her so-called love rival. However, when she opened her eyes once again, her gaze was cold yet captivating! Everything had changed drastically! When her ugly looks faded, she became a peerless beauty. When she displayed her graceful bearing and talent, it was blinding and earth-shattering!