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Du Hongyi traveled to a world of high demons and transformed into the [Rune Core] that inherited the magical knowledge from ancient times. I thought that with my [Golden Finger], I would be invincible and start my dream journey to Long Aotian... However, things did not go as he wished ···· Magical exoskeleton, completed! Kelly: It's a nice device, and you can definitely buy it at a good price! Magic armor, research and development completed Well, if this is applied to the army, it will definitely be more than enough to face the demonic tide. The research and development of the magic floating cannon is completed! Kelly: This is good. If you sell it to the Iron Blood Empire, you will definitely make a lot of money. Under the careful guidance of businessman Kelly, Du Hongyi once again embarked on the road of no return in product research and development...