The drought demon belongs to the physical body evil spirit, but in essence is a dead thing.
It is essentially a corpse.
The true source of the drought demon lies in the solar essence flame within its body.
What Lin Yan just slain is, rather than these physical body evils, more accurately... it's the eradication of the solar essence flames within them.
As for the Qi Eating Divine Power, it plunders all Qi mechanisms, derives Evil Qi, and transforms it for its own use.
These solar essence flames have long been acquired by Lin Yan, transformed into Evil Qi.
These remaining corpses of the drought demons are now pure bodies, devoid of solar essence flames, unable to become nourishment for others, which would elevate their cultivation to break the Nine Heavens.
So at this moment, despite gathering countless remains upon itself, growing to gargantuan proportions.
But its combat power has no enhancement, instead becoming a burden!
"... "