Bian Chunchou only had to think about it for a moment before he could not help laughing. Wasn't this a cybernetic prosthetic limb?
Of course, cybernetic prosthetics came from mechanized human modification—the principle being that flesh was bitterly weak, while machines offered ascension. But he was already a cultivator; there was no such thing as flesh being too weak. All he needed was an artifact that could be mounted on his arm and cooperate with his Water-Fire Art at any moment.
The basic principle was to design a tool for him that could load enchanted talisman rounds. Better yet, binding it to his physical body would free both his hands, allowing him to keep drawing talismans barehanded even after the "enchanted talisman rounds" were spent.
Of course, that also depended on the artifact's grade. With his current Golden Core cultivation, if the artifact's grade was insufficient, it would still be difficult to unleash the full power of the talisman rounds. Take the ideal offensive state of water and fire: in theory, he could knead out a "Hydrogen Spiritual Root" with his bare hands—but heavens above, even if he dared to make one, he would never dare launch it. Forget the enemy being blasted to kingdom come; he himself would be blasted to kingdom come too.
Besides, he had not crossed over into this world to destroy it.
"I more or less understand your blueprint. The main body of this artifact would be best forged from highly hammered placer gold, or Cloud Gold tempered with Vast Sea Silt. But unfortunately, given the materials we have on hand, the optimal solution is to use this section of Wutong Wood."
Legend had it that a Phoenix would perch nowhere but on wutong, but this wutong was not that wutong. Though this Wutong Wood