Inside the cave.
After Ji Yuan set up the Star Spiral Cloud Barrier formation, he first took out the massive stone he found at the volcano's crater from his Storage Bag.
"Boom—"
The stone was thrown to the ground, immediately emitting a dull thud.
Ji Yuan squatted down, reached out, and stroked the dark stone, which was slightly warm.
'I wonder what's hidden inside this.'
Ji Yuan couldn't discern anything just by looking at the exterior, nor could his Divine Sense detect anything, so he had to resort to his final method.
Flowing Frost Flying Sword, out!
With a thought, the flying sword transformed into a streak of white light, sweeping across and shaving off a layer of the stone.
Black stone remained under the black stone, which meant he hadn't cut off enough. Summoning his courage, Ji Yuan turned the flying sword into a three-foot-long sharp blade and chopped at one corner of the black stone.
"Ding—"
