C381 The night attack of yu xuan'er

Both Dugu Yun and Yu Linglong were immersed in the comprehension of the concept of potential, and it didn't matter if it was momentum or concept, to put it simply, it was a matter of luck. Sometimes, they would be able to comprehend it instantly, but sometimes, the more anxious they were, the worse it was.

At this time, the bonfire had already gradually extinguished