"Alright." Lu Xiaotian agreed without much hesitation. The other party had already compromised to this extent, handing the initiative—and even his life—entirely into Lu Xiaotian's hands. Lu Xiaotian had nothing to worry about. The only potential trouble later would be using the substitute soul talisman to help the other party withstand the backlash of the oath curse.
Compared to obtaining a blood soul battle puppet whose combat power was fully comparable to an Emperor Realm expert, that small price was entirely worthwhile.
In truth, Viper Emperor's willingness to cooperate with the refinement proved far more useful than Lu Xiaotian had expected.
Had Lu Xiaotian relied on himself alone, not only would Viper Emperor's Primordial Spirit have fiercely resisted during the refining process, needlessly increasing the expenditure, but it would also have directly affected the blood soul battle puppet's combat strength afterward.
Now, with Viper Emperor's assistance, not only was the drain caused by such resistance avoided, but more importantly, Viper Emperor had long since thoroughly studied the method of refining blood soul battle puppets. He was vastly more proficient than Lu Xiaotian, who had only just entered the field.
Under Viper Emperor's guidance, Lu Xiaotian took many fewer detours and avoided much meaningless expenditure.
Combined with the treasures in Viper Emperor's spatial ring that assisted in refining blood soul battle puppets, not only did the entire process proceed exceptionally smoothly, but once this battle puppet was completed, if used properly, the combat power it could unleash would most likely surpass Viper Emperor himself.
Viper Emperor sighed deeply inwardly. If he had possessed even the slightest choice, why would he have gone down this road?
Even as he sighed, he marveled at the strength of Lu Xiaotian's Primordial Spirit. When he and the three Ancestral Witches had battled Lu Xiaotian, he