Wen Xuanhai appeared calm on the surface, but his heart was far from tranquil.
Though he had never seen a natural spirit, the Wen Family had several tens of thousands of years of heritage behind it and had collected quite a few legends and ancient texts.
He naturally knew something about the Spirit Race.
Natural spirits were exceedingly rare. Especially after the appearance of the Absolute Heaven Abyss, they had become almost impossible to find.
If one captured a natural spirit and refined it into an artifact, one would immediately possess an extraordinarily powerful spiritual artifact.
Moreover, such an artifact spirit possessed extremely high intelligence and could greatly assist the spiritual artifact, saving thousands of years of nurturing.
In an environment suited to it, a natural spirit could unleash terrifying power.
Like this Lava Spirit: in a place where lava was exceptionally active, such as the Volcanic Island Archipelago, it was like a fish returning to water.
Even without a grand formation, with the Lava Spirit present, a Mid Deity Transformation cultivator who came here would still be worn to death alive.
Though he did not understand the formations on Tianfu Island very well,
he could still discern the aura of laws on the defensive barrier. The most abundant within it were Fire Attribute laws, which could fully draw upon the power of the lava.
With the Lava Spirit working alongside the formation, forcefully killing a Mid Deity Transformation cultivator would not be a problem.
Wang Daoyuan sent him more than a hundred miles northeast of Tianfu Island before returning to the island.
Wen Xuanhai did not immediately return to Mysterious Ice Island. Instead, he inspected several other large islands in the Volcanic Island Archipelago.
He found that the other five large islands also possessed formations nearly identical to the