Who Designed This Underworld Dungeon? - Chapter 85: Farewell, Molten Furnace Knight

A genius inventor dies and awakens in his younger self's body... but not quite. This isn't his original younger self-it's an alternate version from a reality where the supernatural is real.To make matters even more chaotic, he discovers that someone has decided he is the successor to Solomon. Now, he possesses the power to enslave devils. Armed with his intellect and newfound abilities, it's time to spark a worldwide revolution... starting from his garage!---Tags: Neutral-Evil MC (enslavement, selfish MC), Harem (of course), Inventions, Technological Progress, Sacred Gear Creation, AU DxD Universe (part of Dragon's Omniverse).This fanfic is a STEAMROLLER, with the main focus on the MC's development and his technological innovations, as well as their impact on the world. If you're looking for drama, suspense, or epic battles with no real purpose, this isn't the story for you.

A murderer is summoned to another world by Lucifer Morningstar himself.

The reason?

The Apocalypse was stolen and he wants revenge.

.....

Lenny is a man with a twisted personality, but his skills in killing had no second on the surface of the earth.

As an Assassin, how will he play with his blade when the devil is his employer?

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