My Brother's the Protagonist? Good Thing I Awakened My System! - Chapter 97 Elemental Ascension Pill

The Swordmaster who has returned by chance to save the world!

Lilian laid on his deathbed, his life nearing its end.Surrounded by the cold quiet of a hospital room, he had spent his last months immersed in novels on his phone.One novel, in particular, had captured his heart, and he yearned to finish it before succumbing to his incurable disease.But as the end drew near, he realized he couldn't access the final volume.Helplessly, he regretted the opportunities he had missed in life.And death had finally come knocking.“If only there were another world... that could offer me a second chance,” He whispered.“If only I could live a second life... in a time when I had listened.”

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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