The Thunder Pool is flawed, which indirectly shows that Jiang Chen's path of refinement isn't perfect, carrying its own defects.
Though the Thunder Pool has performed well, even better than Jiang Chen anticipated, it still isn't perfect and could use improvements.
With a gentle flick of his wrist, Jiang Chen summoned the Thunder Marsh to his side, scrutinizing it closely.
Countless thunders burst out from within the pool, swirling around and forming a sea composed entirely of thunder. Within this sea, miniature divine dragons could be observed joyously darting around.
"The performance of the Thunder Marsh is better than I imagined, and the reason lies right here. The existence of these dragon qi has given the Thunder Pool an additional ability, that of aiding all things in becoming dragons."