Whoosh!
Over the boundless grasslands, Lin Feng sped through the sky with Yun'er.
As they looked down, the spirit grass below grew more withered and yellow the farther ahead they went.
Lin Feng and his wife could not help but furrow their brows tightly.
The spirit grass below was a plant many high-level cultivators commonly used to decorate their gardens or lawns.
This plant could absorb waste air and produce dou qi.
Although its conversion efficiency was relatively low, it looked quite attractive, and when planted in sufficient quantities, it could reasonably improve the concentration of dou qi.
Most importantly, it could survive even in places with very low dou qi concentration and had extremely low environmental requirements.
Thus, this type of spirit grass was also extremely popular on the market.
However, despite its many benefits, it was rather expensive.
For so much spirit grass to be found within this relic, one would not be able to buy it without offering several Grade Eight Pills.
Yet even this spirit grass, which had such low environmental requirements, had now become like this.
One could imagine just how low the dou qi content here was!
"Looks like whatever is inside is no ordinary thing. It actually sucked this small world dry to such an extent."
Seeing the lifeless, withered yellow below, Lin Feng murmured softly.
One had to know that in the relic left behind by the Creation Saint, even though a large number of magical beasts lived there and nurtured countless rare treasures and exotic herbs,
the dou qi concentration within that relic had not shown the slightest sign of depletion. Instead, its dou qi was far denser than in most places outside.
The owner of this relic had actually been stronger than the Creation Saint.
Yet the surrounding environment was