Han Ling's life or death remained unknown.
As for Chen Wuyou and Mu Qingwan, even though the box Mu Qingwan produced had suppressed most of the nether spirit power on the Dark Night Nether Flower, a portion of it still clung to Mu Qingwan due to the nature of the Dual-Polarity Spirit Physique. The Wind Mystic Eagle had keenly caught that trace of nether spirit power and started pursuing the two of them with frantic intensity.
Since the Crimson Flame Qilin was not a spirit beast known for its speed, and Xiaoqiu's cultivation was vastly inferior to that of the Wind Mystic Eagle, the Wind Mystic Eagle caught up in almost no time after its battle with Han Ling.
Chapter 75