Right now, Xu Feng had no spare energy to care about anything happening in the outside world.
His body was rigid at the moment, his facial muscles twitching and his entire frame trembling. This was a warning sign sent by his body, which was unable to withstand the excessive spiritual energy flooding into it.
"Damn it, what is going on? Logically speaking, my fourfold spiritual root aptitude shouldn't allow this much spiritual energy to enter my body. This is terrible—I am completely unprepared for this!"
Chapter 537