Although Little Swallow wasn't Ling Tian, he could make quite a few decisions on the latter's behalf. At the very least, he could trade cultivation techniques and secret arts for information in order to learn the whereabouts of Saint-grade Heavenly Treasures. Of course, he could also represent Ling Tian and agree to teach Wu Teng and the others some cultivation techniques and secret arts. Those arts would surely keep Wu Ying and the others busy cultivating for a long time.
If Little Swallow had said this before, Wu Teng and the others would certainly have been suspicious. But by now, they had learned how powerful those secret arts were through their battle with Yu Ying. As clever as they were, they knew that mastering Phantom Combo alone would take a very long time, so they had no reason to doubt Little Swallow.
"Actually, senior, you could also trade information for the Lightning Power that the Yu Family cultivator wielded earlier," Wu Song said. "From what we've seen, there aren't many cultivators in this star field who can control such powerful Lightning Power. At the very least, many of the cultivators in the Mist Hidden Sect's branches don't possess it. So you could use this energy to trade with cultivators from some of those branches."
"Of course, that's assuming you have plenty of this Lightning Power. If you don't have enough for yourselves, I wouldn't recommend trading it away. Refining this energy to increase your strength is important too," Wu Song added.
"As for Ultimate Lightning Tribulation Power, we have plenty—enough to refine for a long time. If anyone needs it, we can trade some away," Little Swallow said nonchalantly. "In short, as long as it's for obtaining information about various Saint-grade Heavenly Treasures, Brother Tian will surely agree. So when