In the Second Generation of the Trench, He Changed To the Ruanfan Script - Chapter 43:

The tens of thousands of universes have merged. The disintegration of spiritual force led to the momentous collapse of the great Cultivation World, a mighty era that had endured through millions of years of history. In the wake of the large-scale invasion of the Wilderness, the Avalon of Five Elements has become the practitioners’ last stand.

I was born in Japan and inherited a temple at the beginning.The system is activated at the beginning, which can enhance everything.“Ordinary Buddhist Scripture” enhanced to “Medicine Buddha Sutra”Recite the sutra ten thousand times, and you will become a Vajra!“Vajra Pestle” strengthens “Vajra Indestructible Root”The most rigid and masculine, indestructible!“Eight Divisions of Heavenly Dragons” enhanced to “Great Heavenly Dragon Visualization Method”Great Heavenly Dragon, Prajna Buddha!The widow haunted by evil spirits, the eight-foot-tall adult…“I don’t know if I can bear it.”“Demon, I want you to help me practice!”

Waifus, Mechs, Magic! Witness a mind-blowing ride of spell-slinging beauties, earth-shattering mech wars, and an arcane system so deep you’ll lose yourself in its brilliance! Empires crumble, celestials clash, and the birth of legends in the most explosive, heart-racing epic you'll ever read!Jack Squire, a professional debris collector in Earth's orbit, witnesses the unimaginable — the colossal magical sigil igniting the sky above his hometown, Germund. As communications fail and soon an apocalyptic light blasts skyward and splits the moon in half, horrifying chaos dawn.Determined to seek the truth, Jack must navigate a perilous descent into a war-torn planet, where arcane magic and advanced tech clash in a brutal conflict between two empires.Osten Empire with its arcane: Magic & Spells (Essence and Slot System)V.S.Dunkelheit Empire with their war armours: Armatus (Think mecha)In this gripping sci-fi and fantasy adventure, ~one of a kind! Jack's quest to uncover the truth behind the cataclysm and save what remains of his world leads him into the heart of a war that shall decide humanity’s fate.

In the past life, he was an aerodynamic engineer of a well-known company, and in this life, he is a college student of a famous school.

When the two identities are perfectly integrated, what sparks will appear.

His life experience is also slowly uncovering the mystery, whether he can beat the tycoons of this era, and whether he can stand at the peak of world business.

- Description from novelbuddy