Inside the Wood Armor Binding Spirit Formation.
"Second-tier Monster Beasts really are troublesome!"
More than half the formation's Spirit Stones had been consumed, and dozens of Fireball Talismans in his hand had been used up before this Iron-Backed Demon Mantis finally lay in a pool of green blood, barely clinging to life.
The sight made Lin Chang'an's heart pound with fear. He might not have seemed to encounter any danger, but this entire battle had been a war of attrition.
In two hours, he had consumed over a thousand low-grade Spirit Stones.
A single high-quality advanced Talisman was worth seventy or eighty Spirit Stones. He had thrown out twenty-seven of them, not to mention the formation's consumption.
"Thud!"
As the Iron-Backed Demon Mantis collapsed feebly, the vines continuously wound around it, squeezing green fluid from its body. It seemed to have lost the ability to react.
Lin Chang'an took a deep breath. After calmly examining the surroundings and finding no other cultivators nearby, he still did not feel at ease.
[Wood Spirit Thorn]
Four streaks of green light flashed and stabbed into the Iron-Backed Demon Mantis's body. Lin Chang'an continued directing the Green Bamboo Sword as it flashed swiftly through the air.
"Splurt!"
Green fluid splattered everywhere as the Iron-Backed Demon Mantis's savage, horrifying head fell to the ground. Only then did Lin Chang'an secretly breathe a sigh of relief.
"This time, it should be dead for good."
The Green-Horned Ox beside him let out a delighted moo, as if saying that it finally did not have to serve as bait and lure such a terrifying Monster Beast anymore.
Yet just as Lin Chang'an smiled and raised a hand to wipe the sweat from his forehead, preparing to step forward, his expression froze. He suddenly remembered something.
"Back when I