Xiao Yu could have tried to capture Extreme Yin's nascent soul alive with the lightning net, but he had chosen not to. Heaven only knew whether such a seasoned demonic cultivator had other means of escape. Killing him was the safest course.
Xiao Yu swept the entire sword formation several times with his divine sense, searching meticulously. Once he was certain that no remnant soul or anything similar remained, he dismantled the formation. He opened his mouth, and the thirty-six Golden Bamboo Divine Thunder Swords streamed inside, returning to his dantian.
The Nine Palaces Primordial Sword Formation was the sword formation Xiao Yu had mastered most thoroughly. Now that he deployed it with thirty-six flying swords, it could trap even a Nascent Soul cultivator, a result that pleased him immensely.
In theory, since Xiao Yu could control thirty-six Golden Bamboo Divine Thunder Swords, he could also deploy the Great Geng Sword Formation included in the Azure Essence Sword Art. However, he did not yet meet the requirements for that formation, so it was inadvisable to use it.
It required exceptionally sturdy and sharp flying swords, which meant incorporating materials such as refined crystal and geng metal into his magic treasures. Otherwise, once he deployed the formation, its flying swords risked being destroyed by his enemy.
Xiao Yu summoned the Gold-Eating Insects back into his Spirit Beast Bag, then put away Extreme Yin's Storage Bag and Spirit Beast Bag. Yuan Yao came over to his side.
"Brother Xiao, that fiend just died like that?" Yuan Yao's face was filled with disbelief.
"I destroyed his nascent soul. Unless he cultivated an External Avatar, he really is dead!" Xiao Yu said with a smile. This was the first Nascent Soul cultivator he had killed, and his excitement went without saying.
"You're incredible! Who