It was precisely the Mountain Protection Grand Formation Zhou Xun had activated in advance.
Otherwise, with the commotion from their clash, the entire lord's residence would surely have been reduced to ruins.
The bone claw and lightning chains pulled against each other, strangely falling into a stalemate.
At the same time, the three Bone Zombies and the Bloodfiend Scion had also begun fighting.
The Azure Golden Dragon revealed his true form, his entire body radiating golden light as he continuously collided with the Bone Zombies. Fortunately, he possessed the Mystic Gold Body divine ability, and his physique was exceptionally formidable.
Though it could not compare to the Tier 4 Upper-Grade Bone Zombies, it was not far behind.
Together with the Blackscaled Armadillo's Thousandfold Dark Light slowing the three Bone Zombies, they barely managed to hold them back.
But as time dragged on, the three Bone Zombies would inevitably claim victory.
Zhou Xun naturally understood this.
He was only at the Nascent Soul Middle Stage. In terms of mana reserves, he naturally could not compare to Lord of Hundred Bones, who stood at Peak Nascent Soul. Only a swift battle could give him a chance.
He immediately slapped his waist.
A Short Spear around four inches long appeared in his hand.
The spear was entirely blue-black, engraved with strange lightning-shaped runes. It looked extraordinarily extraordinary.
It was none other than the Supreme Mystic Lightning Spear!
Zhou Xun gripped the Lightning Spear tightly as the Spirit Energy within him surged into it like raging tides.
That single motion drained at least a fifth of his mana. One had to know that he was already at the Nascent Soul Middle Stage.
This showed just how extraordinary this Supreme Mystic Treasure was.
Bolstered by that immense mana, the Lightning Spear instantly shone brilliantly. The