Zhou Yi first observed from a distance.
The Black Thorn is a kind of biological vessel, highly durable, but unaffected so long as one does not get close.
Yuan Xiao's mother was only half right.
The Black Thorn indeed switches to a high-energy mode in its second phase when stimulated by the external world or when objects are thrown at it. But as long as one escapes that area and enters another zone, it will revert back to low consumption mode.
Of course, even then, it is of Grade A strength.
Under normal circumstances, to approach and touch it again would require the expenditure of hundreds of thousands of Light Seeds.
However, for Zhou Yi, who has mastered the common sense of the Mud Tree Civilization, there is now a simpler and more effective method.
He began to dig.
Only his left hand was usable, making digging mud very strenuous.
