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Accidentally became the lich's test subject, possessed the demon puppet, turned on the mecha system, and became a light going upstream in this magical world!

Protagonist A: I have an invincible upgrade system. Protagonist B: I have a god-level alchemy system. Protagonist C: I have a super lottery system. ... Lu Xiaobu: I have..., Forget it, let's not mention it. The system begs you to let me go.

I'm not a top academic, I don't know how to create things from the void, let alone fantasy martial arts. I'm just a porter of nature, a magical craftsman!