Of course, this doesn't include the insides of living beings. If he could freely enter a living being's body too, that would be too exaggerated.
He could effortlessly burn his enemies to death from within, using a great amount of Dan Fire within the Dantian. Unfortunately, he was not yet capable of this.
Suddenly, the temperature around them began to rise rapidly, giving a sensation as if everything was about to be burnt to ashes.
Lin Yi also felt a rising agitation within himself, an urge to charge forward and kill the Master of Bi Hai on the spot.
The Master of Bi Hai noticed the change in their environment; his face went pale, and he tried to shake off the Dan Fire burning on his hand. However, the Dan Fire seemed to be solidly stuck on his palm.
He quickly activated his Water Element Power to try and extinguish the flame. A significant amount of water power formed a stream, pouring onto the flame in his palm and raising clouds of steam.