What Witch? Deadly Pharmacist!

After years of wandering in this world, Leon realized that some paths, once embarked upon, have no turning back; the staircases paved with countless bones lead only to the throne or the grave. Due to the Imperial Church's explicit prohibition, the production and smuggling of magic essence extracted from monsters became a dangerous yet highly profitable industry in this world. Thus, starting from nothing, he trained witches wanted by the Church into his monster breeders and apothecaries, building a smuggling empire spanning the continent! Now, he is Viscount Arend, the most powerful lord in the Empire, the Church's newly appointed cardinal, the chief inquisitor of the Inquisition, and the supporter of the new emperor; simultaneously, he secretly operates under the name Fenrir, resounding throughout the underworld as the Empire's most wanted criminal, its most notorious blasphemer, and the most...