It made sense. Ling Tian could only return to the Demon God Forbidden Ground to complete his mission after finding all the Saint-grade Heavenly Treasures. Only then would he have a reason to return to the God Realm and rescue Hua Min'er and all his other friends and family.
But the Heavenly Treasure hiding in Thunder Purgatory had said that Ling Tian and the others would never find every Saint-grade Heavenly Treasure. That had turned all their determination and hope to dust, so Ling Tian was naturally shaken.
If some other cultivator or Saint-grade Heavenly Treasure had said this, Ling Tian wouldn't have paid much attention. But he had already determined that there was only one of this Heavenly Treasure in the entire starfield, so he took its words very seriously. He even found himself starting to believe them, because he couldn't imagine the Heavenly Treasure lying to him about this.
"Don't tell me you mean Ling Tian can't capture you." Po Qiong couldn't help speaking up, then gave a cold laugh. "You may be extraordinary even among Saint-grade Heavenly Treasures, and you can use the countless bolts of lightning in Thunder Purgatory to conceal your whereabouts. But that doesn't mean you're completely safe. We've already thought of a way, at the very least."
"Oh? You've thought of a way?" The Heavenly Treasure sounded amused. "You mean absorbing all the Lightning Power..."
"What, you think that won't let us capture you?" Po Qiong shot back. Before the Heavenly Treasure could answer, he continued, "We have more than a thousand Heavenly Treasures on our side. Once you can't use Lightning Power to conceal your whereabouts, it'll be easy to pinpoint you. Especially since you're not in perfect condition. And once we've pinpointed you, capturing you will be easy."
"And once we