"Uh..."
Xiao Yi Xian stepped around Xiao Han and moved two steps forward, her delicate brows slightly furrowed.
What had just happened truly had not been intentional on Xiao Han's part. Before them stood a stone door that emitted a faint yellow glow.
"You know Mechanism Arts too?"
Xiao Yi Xian looked at Xiao Han in surprise. Her hand was already tracing across the stone door, moving lightly over its surface.
Mechanism Arts were a field in which Wood Element Fighters and Earth Element Fighters excelled. Xiao Yi Xian had seen Xiao Han fight before; his Dou Qi was neither wood nor earth.
"I've never seen it before," Xiao Han replied.
"Then you..."
Xiao Han glanced at Xiao Yi Xian before searching even more carefully. "Following the usual pattern—well, ordinary logic—when someone leaves behind a cave, it is because they fear their knowledge will die without an heir. The cave exists to wait for someone fated."
"Someone fated?" Xiao Yi Xian could not help interrupting. Xiao Han had said more than once that she was the one fated for him.
"That's right." Xiao Han continued, "Since it is waiting for someone fated, it would not seal off the path completely. At most, it would set a few trials. Any stone door will have a switch to open it. Hmm, found it."
Squatting down, Xiao Han discovered a tiny protrusion beside the stone door. It was quite well concealed. If he had not known this place so well, Xiao Han would likely not have found it so quickly.
Xiao Han pressed it gently. A series of creaks rang out within the cave as the heavy stone door slowly rose. A faint glimmer of light slipped out from within first.
"Wait!" Seeing Xiao Han about to step into the cave, Xiao Yi