MTL - Immortal - v14 Chapter 85 Heart is where I am

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 series of short stories in the world of Toaru Majutsu no Index organized into chapters featuring Kanzaki Kaori as the protagonist, going around the world and space doing missions for the Church of Necessary Evil, however, there is more than meets the eye as each incident is connected.

One chapter was bundled with each limited edition release of the Toaru Kagaku no Railgun anime DVD and BDs, with all of them together being equivalent to a single normal Toaru Majutsu no Index volume

It was the year 2021 AD.

The game jointly developed by the entire world, “Heavenly Enlightenment”, was released. In this game, in-game coins could be exchanged for real money, which instantly attracted countless players from all across the world.

Various nations around the globe also competed fiercely for the resources in the game.

Lu Yuan was a player of “Heavenly Enlightenment.

At the start, he received the SSS rank talent — Infinite skills upgrade! Fireball LV999: Fireball descends from the sky and rains destruction upon the world! Heal LV999: the Angel descends to revive ten thousand people!

……

With his infinite upgrading talent, while others were still desperately trying to farm mob monsters, Lu Yuan had already killed the boss effortlessly. While others were still toiling to raise the favourability meter of NPCs, Lu Yuan was already sleeping on the same bed as the NPC queen.

The other players all started to protest!

“Report him, he’s cheating!”

“Lu Yuan had severely affected the balance of this game, we strongly demand to ban Lu Yuan!”

…….

An old MMORPG called Live Dungeon. Before the service was terminated, Kyotani Tsutomu made full use of 5 notebook PCs to clear the game and was invited to a different world. And then, Tsutomu was speechless when he saw a live relay of a dungeon capture in the different world. They bulldozed through without any thought of strategy. The misfortune of getting the healer position. Tsutomu reinstated the White Mage that had always been his favorite in games and aimed to conquer the dungeon to find the key to his escape from the different world.