At that moment, Yan calmly thought to himself:
Vines... If that's the case, Xiao Feng's Spirit Skill must have come from some kind of plant-type Spirit Beast. And what do plants fear most? Fire!
With that thought, Yan unleashed the skill of his First Spirit Ring:
"First Spirit Skill, Hell Magma Rush!"
As soon as he spoke, crimson magma surged skyward from Yan's body. The dark red flames around him suddenly turned scarlet, their temperature becoming even more scorching and explosive. Even the air around his body twisted from the heat.
Yet, once again, something unexpected happened. The Shadow Vines binding him showed no signs of damage whatsoever and still held him tightly.
Yan refused to believe it. If once was not enough, then he would try again. Hell Magma Rush!
"Hm?" The vines remained unmoved, without the slightest change. Yan's expression finally changed, and he decided to try again.
Hell Magma Rush! Hell Magma Rush!...
After several attempts, there was still no effect. He could not break free from the restraints.
Yan was helpless. His Soul Power had already been exhausted, and he no longer had the strength to fight. Looking bitterly at Ye Qifeng, he conceded defeat.
"Xiao Feng, you won. I can't break free from your Spirit Skill's restraints. What kind of Spirit Skill is that? How many years is the Spirit Ring?"
It seemed that the Soul-Devouring Ghost Vine's weakness to the Fire Attribute had been erased under the Shadow Martial Soul's Rule of Ultimate Darkness. The Second Spirit Skill, Shadow Bind, did not fear flames, Ye Qifeng thought.
Then, he smiled faintly, withdrew his Spirit Skill, and replied:
"This is the Shadow Martial Soul's Second Spirit Skill, Shadow Bind. Its age is close to five thousand years."
"What a freak!" Yan was somewhat shaken. A