Upon arriving here, a faint layer of Energy Liquid seeped out from within the Crystal Walls on either side of the breach.
Vaguely, countless densely packed snow-white things could be seen wriggling within. Some liquid-like substance seeped out and covered the crystal surface, rapidly solidifying into another extremely thin layer of tangible energy. If this continued, these gaps would soon close up again.
If an ordinary person only possessed the strength to barely carve through the Energy Crystal Walls, they would face immense danger here. Once their rate of opening a path failed to keep up with the walls' rate of closure, they would be completely sealed within the thick crystal layers of energy.
Moreover, the situation was already very clear. These densely packed snow-white things were repairing the energy crystal layers.
In other words, the Energy Light Screen standing between heaven and earth had actually been created by these tiny white insects. Given their size, the number required to create such an enormous screen would be unimaginably terrifying. This place was a colossal insect nest.
These white insects were called Ancient Devouring Worms. They were small magical beasts that had lived in ancient times. Their bodies were tiny, but their numbers were endless. As their name implied, Ancient Devouring Worms could devour anything, then continuously secrete pure energy. Such creatures should have long since gone extinct, yet they had unexpectedly appeared at the entrance to the third level of the Heavenly Tomb.
If these Ancient Devouring Worms fully awakened, an ordinary expert encountering them would likely be devoured in an instant, leaving not even dregs behind.
Furthermore, Ancient Devouring Worms could even devour Dou Qi energy. Ordinary people simply had no way to deal with them.
However, Flowing Cloud was no ordinary person. His attacks were not something magical