The Seventh Layer of the Heavenly Burning Qi Refining Tower.
When Xiao Yu arrived, he found there was no path leading farther down. Looking at the mere four cultivation rooms here, he began examining the heart flame inside his body.
The heart flame here was over ten times stronger than on the first layer. Anyone below Dou Wang would gain tremendous benefits from cultivating here, provided they could withstand the heart flame scorching their insides.
After studying it for a while, Xiao Yu shook his head, somewhat disappointed.
The principle behind the fallen heart flame's acceleration of cultivation was to refine Dou Qi, condensing it to a terrifying degree.
Put plainly, it purified Dou Qi and consolidated one's foundation, making the Dou Qi denser.
The benefits needed no explanation. Dou Qi purified by the heart flame's burning could unleash far greater power than Dou Qi that had not been purified and condensed.
Moreover, its purification was swift, saving the time otherwise spent condensing Dou Qi during cultivation and greatly improving cultivation efficiency.
Even the heart flame produced by the fallen heart flame had this effect, to say nothing of its origin heart flame.
Once someone subdued the fallen heart flame, heart flame would constantly arise within their body, helping condense their Dou Qi without any deliberate cultivation on their part.
In addition, the fallen heart flame could temper the body, strengthening its host's physique, though this effect was only pronounced at the Dou Emperor level.
This was why the fallen heart flame enjoyed its reputation as a cultivation cheat.
The fallen heart flame and Xiao Yu's five qi thunder achieved similar wonders through different means. The difference was that the fallen heart flame condensed a person's existing Dou Qi to secure their foundation.
Five qi thunder, however, tempered and purified