Oscar Orcus (Arifureta Sekai Saikyou) is a genius master of craftsmanship magic, having created numerous legendary magical and alchemical artifacts.
Hajime Nagumo (Arifureta Sekai Saikyou) has surpassed Oscar in craftsmanship magic, being a magical gunsmith and weaponsmith. Having perfected his cratsmanship magic to uttermost perfection, creating the most powerful Artifacts that make full uses of all the Ancient Magics.
Donner & Schalg (Arifureta Sekai Saikyou) Hajime's first masterpiece, a pair of revolvers powered by Electricity Magic have power surpassed an anti-tank rifle.
Schlagen (Arifureta Sekai Saikyou) Hajime's second masterpiece, a rifle powered by Electricity Magic, has twenty times greater firepower than Donner and Schlag combined.
Shea Haulia's Drucken (Arifureta Sekai Saikyou) Hajime's sixth masterpiece, a massively powerful war hammer powered by Vibration Magic, able to decimate entire armies of demons and monsters.
Shizuku Yaegashi's Tsumehirameki (Arifureta Sekai Saikyou) is Hajime's seventh masterpiece, a katana powered by Air Magic, it has supreme sharpness and strength to cut through anything.
Nico (Devil May Cry) applied alchemy into gunsmithing to create powerful weapons
The Devil Breakers (Devil May Cry) are eight alchemical prosthetic arms Nico created using raw materials from Demons, each having unique supernatural powers.
Dr. Faust (Devil May Cry) an alchemical hat Nico created using her father's alchemy research, able to absorb Red Orbs and fire it as destructive projectiles.