This Japanese Monogatari Isn't Lame - Chapter 33. Spiritual Dagger Technique

A Pill Emperor of his generation was set up by a traitor.

Since then, the world lost a Qingyun Zi and gained an invincible silkpants.

Once again, walking the Great Dao of Alchemy.

How can I defy the heavens . . . with the medicine in my hands!

- Description from Novelupdates

The extraordinaire has disrupted the silence of the world and ever since then, technology has taken a different path.

Cheng Zhu, a young and accomplished individual, stumbled upon a question online: 'If you had the chance to be reborn and go back to the past, would you take it?'As someone recognized in his circle for having the most 'spirit', Cheng Zhu scoffed at the thousands of comments from people wishing for rebirth.He responded with a simple 'No', alongside a screenshot of his impressive bank balance.But in the next moment... he was reborn!

Cha Myung-jun, a sergeant who neared the end of his military service, found himself confined in the Ministry of National Defense’s bas**ent for over three decades due to his newly awakened abilities, just before the outbreak of war. Spending thirty years as the world’s most formidable blacksmith, wielding nothing but hammers, he skillfully outwits the watchful eyes of the Ministry of Defense to serve the war effort and reset the course of time. Now given a second chance at life, can he lead a successful campaign to avert humanity’s downfall and secure its salvation?