The cries pierced their ears, like nails scratching a chalkboard. Anyone who heard it shuddered and clenched their teeth. Xiao Lin and Lilith hurriedly put their hands over their ears, but it was not enough to stop the cries.
Thankfully the cry was very short, lasting only a few seconds before ending. Xiao Lin and Lilith felt like the energy had been drained out of them, and their heads were covered in sweat. They were quite well off compared to Qwei and Ibeiya; the two had collapsed unconscious on the ground. Xiao Lin hurried over to check their breathing, sighing in relief as he found that they had just fainted.
"It's probably a spirit howl." Lilith had a dark look on her face. "I've heard of this spell; it's a staple for spirits. It can cause very severe mental damage to those with insufficient will."
Xiao Lin and Lilith might have looked like they were not that affected, but their strength had drastically depleted as well to below half.