When the 'eight treasures penetrating tile' fell into song qingxiao's hands, the magic weapon's body was broken, and its spiritual power was dim and weak. It was almost destroyed. At that time, su Wu naturally could not associate such a treasure with a mysterious heavenly level spiritual treasure, so he was careless and let the spiritual treasure find an opportunity.
If he had known that this thing was already a profound heaven spiritual treasure and had developed intelligence, he would have suppressed it a little after the contract was formed. He would not have allowed it to absorb so much demonic Qi at once to strengthen its strength.
