MTL - Peerless Ruthless Man, Cut Down the World - Chapter 290 If thousands of people die, what does it matter to me?

Synopsis below:How did the Avatar universe change when a transmigrant appeared in an unknown village, long before the canonical events? And how are the two islands Kyoshi Island and Uzushiogakure no Sato (A village hidden in the maelstrom)?---Tags: AU, Before-canon, Post-canon, Violence, Death of major characters, Transmigration, Harem, Children, Incest, Romantic. Foul language.

[Signed for physical publication. The release date will be announced in due course.]On the day of her blind date with Connor Quinn, Moira Sloan had her long legs crossed, the bell on her fair, slender ankle chimed crisply, and the tip of her foot grazed his calf, as if by accident.“Boss Quinn, want to get married?”Connor Quinn's features were stern and rigid; he remained silent.Just when both Moira Sloan and the matchmaker thought Connor Quinn would refuse, he responded in a cold, hard voice, “Yes.”Male Lead: Tattoo Artist & Female Lead: Lacquerware Intangible Cultural Heritage Inheritor1v1, both leads are virgins.Male Lead: Appears serious, but is actually mischievous.Female Lead: Appears flirtatious, but is actually serious.PS: This is not your typical CEO romance. Features secret identities. Reader discretion is advised.

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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A world where all of the greatest in all dimensions have gathered.

Three out of five were the strongest in their world, and one of them was considered the strongest in history.

A crazy world where a wandering goblin would be above level 90.

Asgard, otherwise known as “Heaven above the heavens.”

In a world where all of the monsters of the worlds meet, Vulcan’s new adventure begins.