Lu Mu had come to demand those materials from him so soon, which showed how powerful the people seeking to challenge him were.
These people put enormous pressure on Lu Mu, and the same was true for him.
At that thought, Qi Heng grew even more agitated.
"Who's there?" Just as Qi Heng was about to resume cultivating, he suddenly felt a jolt of alarm.
Two figures charged straight at him from nearby.
He had never expected anyone to infiltrate his Heart-Devouring Sect. Had the formation been broken?
Huang Xiao and Huo Lian wanted to give Qi Heng no chance, so they attacked together at once.
With a boom, Qi Heng flipped over and retreated swiftly out of the Spirit-Gathering Divine Formation.
"You're courting death!" Qi Heng roared.
"Qi Heng, Heart-Piercing Sword Qi Heng, how much of your strength can you bring out without a sword?" Huang Xiao laughed heartily.
Qi Heng's expression was ugly.
He truly had not brought his sword here. Who could have expected someone to come charging in so soon?
Without a sword in hand, he could probably bring out only seventy or eighty percent of his peak strength.
Huang Xiao and Huo Lian did not hesitate. They attacked with all their strength, holding nothing back.
They had to finish Qi Heng off as quickly as possible, preferably before the people outside could react.
The fierce Saber Force forced Qi Heng to dodge again and again. He wanted to leave this place.
But against their combined assault, he found that he could not shake them off for the moment.
"This aura?" Qi Heng pushed off with his foot. He realized that these two were very powerful.
One of them had an aura no weaker than his own.
He now realized that not keeping his sword by