Azure Jade Spirit Deer! Ye Lingling's Fourth Soul Ring!

"Did it react?" Seeing this, Gu Ling leaned closer, his gaze falling on the back of Dugu Bo's hand.

The few snake scales glimmered with emerald light. As the golden substance in the jade bottle swayed gently, the edges of the scales lit up as well.

Dugu Bo did not answer. He sent the probing Soul Power forward a little further, and the golden threads in the bottle suddenly went taut.

Almost at the same time, a thin wisp of green mist emerged from between his fingers. The moment it touched the mouth of the bottle, it let out a faint sizzle.

Dugu Bo's expression changed, and he immediately withdrew his hand. The golden threads sank back to the bottom of the bottle, while the scales on the back of his hand gradually vanished.

"Old monster, how is it?"

Gu Ling asked curiously.

"There's a good chance it will be useful." Dugu Bo stared at the jade bottle, his voice taking on a more serious tone.

"The Snake Emperor is drawn to it, but my poison rejects it as well. If I swallowed it directly, whether it could strengthen the Martial Soul would be hard to say. Killing myself in the process, though, would be entirely possible."

Gu Ling nodded. He had suggested extracting the bloodline because he had his eye on the potential of the Golden Holy Dragon. As for how to use this essence to make medicine, that naturally required Dugu Bo's research.

Dugu Bo took out a wooden box, placed the jade bottle inside, and added another layer of protection around its mouth.

"Let it sit for now. Once I figure out what's causing the conflict between it and snake venom, I'll choose supplementary ingredients and refine some pills. There isn't much of this stuff. We can't