Three days later, Xu Qian got what he wanted: three drops of Blood Bat Old Monster's blood.
It was drawn under Wang Biao's personal supervision.
The process was simple. Blood Bat Old Monster was chained to a specially made torture rack, and a man who looked like a prison doctor pricked one of his fingertips with a silver needle. Three drops of dark-red blood fell into a jade bottle.
Throughout the entire process, Blood Bat Old Monster stared at Xu Qian with a venomous gaze.
It was the look of a lamb waiting to be slaughtered.
"You little brat... You dare use this old ancestor's blood..." Blood Bat Old Monster's voice was hoarse and grating, like fingernails scraping across glass. "When this old ancestor breaks free, the first one I'll drain..."
Wang Biao snorted and slapped the torture rack.
"Bzzzz—"
The formation on the rack blazed with dazzling light. Blood Bat Old Monster screamed and convulsed all over, unable to say another word.
"Take it away." Wang Biao waved his hand.
Xu Qian took the jade bottle. It felt icy cold in his hand. Though it held only three drops of blood, it weighed as much as three iron ingots and radiated a bone-chilling cold.
"This is Extreme Yin Blood. Be careful when you use it," Wang Biao warned. "A single drop can freeze an ordinary person's blood. If you want to study it, you'd better dilute it a hundredfold first."
"Yes, I'll remember." Xu Qian carefully put the jade bottle away.
When he returned to his room, he immediately began processing this precious material.
He found a small porcelain bowl and poured in some water. Then he dipped a silver needle into one drop of blood and touched it to the water.
" sizzle—"
The instant the blood touched