The Bodhisattva Heart was a supreme treasure produced by the Ancient Bodhi Tree. Even among the eight great Dou Di descendant clans, there were very few records concerning it. Bodhi Seeds were common, but Bodhisattva Hearts were rare.
Yet anyone who obtained a Bodhisattva Heart would invariably go on to achieve legend. Its inexhaustible supply of life force was something everyone envied.
And now, the Bodhisattva Heart within Xiao Yan's chest was continuously aiding the growth of his strength.
The black lightning within the Void Thunder Pool was already extraordinary, but it was not the true main course. What truly helped Xiao Yan internalize the life force of the Bodhisattva Heart was the blood essence of an Ancient Void Dragon Clan Dou Sheng expert.
Xiao Yan had absorbed some Ancient Void Dragon Clan blood essence during battle, and some still remained in his body. He now drew it out first, then refined it into his own bloodline.
Magical beast blood was exceptionally violent, carrying a wild and untamable beastly nature. Although it was highly nourishing to humans, it was almost impossible to consume directly and required all manner of mild medicinal herbs as support. Let alone the Ancient Void Dragons, the pinnacle of magical beasts. They were indeed immensely nourishing, but also truly dangerous. Without preparation, one could even have one's mind directly affected by the ferocity within the blood and become a walking magical beast.
But Xiao Yan possessed the Bodhisattva Heart, so he could naturally ignore such concerns. Not a single trace of the dragon blood essence was left unrefined.
A small portion transformed into pure Dou Qi and entered his dantian, continuing to raise Xiao Yan's realm. Most of it mixed into Xiao Yan's bloodline. The beastly nature was neutralized by the life energy stimulated by the