Any spirit plant that exceeded the upper limit of its normal age would undergo a mutation.
When the Indian silver bamboo, which originally only had a lifespan of 900 years, reached a thousand-year age, it gave birth to purple lightning. However, it was very weak and Su Yu didn’t care.
Who knew that ten thousand years later, the Lightning would evolve to such a terrifying level.
Even a second sky god would be in extreme danger if he was hit.
A trace of excitement appeared between Su Yu’s brows. “It was not a waste of twenty years of painstaking cultivation. I have finally gained something!”