"I know it's baked by fire..." Ye Chu nodded and asked, "can you smell the fire?"

the White Wolf horse smelt it several times with his nose, and then he said in a deep voice: "one kind of evil fire may be more than nine grades, and the other may be the fire in the heart of the earth, also known as ghost fire. I think this area is very likely to be the fire in the heart of the earth..."

"fire in the center of the earth?" Ye Chu frowned.

the White Wolf horse nodded: "this kind of fire in the center of the earth has also appeared in...