That was an endless one-dimensional filament.
The entire field of view was filled with one-dimensional strings. There were no ends or beginnings in sight. Wang Qi knew what he was observing.
It was the world.
The world was such a terrifying tangle of threads. It was so daunting that it prevented one from finding any pattern, let alone feeling any "rhythmical beauty."
Wang Qi and Han Jue frantically searched through this mass of threads with their hands. Each time he pulled on one string, he inadvertently caused several others to move. Just when he finally found some pattern and tried to unravel this "tangle," he realized he had only managed to pull apart a small portion.
...
"What a nightmare..." Wang Qi woke up with a feeling of tightness in his chest. He pressed on his chest, dispelled the disrupted mana, and then leaned back on the bed, breathing slightly.
"Deviation?" Zhen Chan asked from inside the ring, "Can't you properly control your mana even in your sleep?"