Lin Heihu spoke solemnly, "Adept, you know I was once a soldier, and a formidable fighter at that. My family also passed down a secret art for tempering one's vital energy and blood. If one's vital energy and blood are not vigorous enough, one can burn one's essence blood and lifespan to stimulate them."
"I know of that art." Feng Jun nodded. "Burning essence blood and lifespan can temporarily raise combat power. I have plenty of methods like that... but afterward, you'll be exhausted for many days. It also seems to offer no benefit to cultivation and instead damages one's foundation."
"What you're talking about is the Blood Explosion Technique, a high-end method said to be used on battlefields, second only to the lost Blood Sacrifice Technique," Lin Heihu said. Worthy of being a Land Deity from over two thousand years ago, he spoke fluently on the matter. "But my family's inherited secret art is simply for tempering vital energy and blood..."
He admitted that his family's technique was not especially advanced, but it was extremely beneficial for cultivation. For someone like Wang Haifeng, whose upper limit was too low, it could break through that limit and make the path of Martial Cultivation much easier.
Of course, such a cheat-like method naturally came with enormous drawbacks. Lin Heihu believed there were two fatal ones: it shortened one's lifespan, and it required a great deal of medicinal herbs to replenish oneself.
Lin Heihu said that his family had been quite wealthy and could afford medicinal herbs. As for the meat of tigers, wolves, bears, and other beasts, he had eaten more than he could count.
As for lifespan, what did people in that era know about lifespan? The average life expectancy might not even have exceeded forty.
Moreover, in an age