The Black Fiend Cult Master's icy command exploded like thunder in Elder Chu's ears. The Blood Fiend Soul-Chasing Seal was a secret Nascent Soul-level tracking technique passed down within the Black Fiend Cult. It required the caster's blood essence as a catalyst, combined with the target's lingering aura or flesh and blood, to plant a blood-soul mark that had neither shape nor substance yet was extraordinarily difficult to remove. Once planted, it clung like a maggot burrowing into bone, impossible to shake unless the caster died or the target fled more than ten thousand li away. Other Black Fiend Cult members could even sense and track it using special magical artifacts!
Elder Chu dared not delay. Enduring his injuries, he swiftly gathered a faint wisp of Han Li's lingering aura and a few drops of dried blood from the battlefield. He formed hand seals and chanted, then spat out a mouthful of blood essence. It transformed into an eerie blood-colored rune and merged with the aura and blood.
"With blood as the guide and the soul as the oath, pursue the soul and claim its life! No rest until death! Seal, form!"
The blood-colored rune flashed brilliantly, then vanished into the void as though it had never existed. Yet a scarlet dot instantly lit up on the palm-sized black compass in Elder Chu's hand, clearly pointing in the direction Han Li had fled!
"Cult Master, the mark is complete!" Elder Chu reported respectfully.
The Black Fiend Cult Master's scarlet eyes swept over the compass, and he snorted coldly. "Elder Chu, take the Blood Fiend Guards and pursue him first. Keep him occupied! I will follow shortly! This time, he must not escape again!"
"As you command!" A vicious gleam flashed in Elder Chu's eyes. Taking the compass, he blurred into