After obtaining the Eternal Dark Card, Lu Yin returned the Hidden Mountain Card to Dan Gu.
"Whether it's the Eternal Dark or the Hidden Mountain, both are lives to the Lost Race. Xuan Qi, I hope you respect the cards and treat them with care," Dan Gu said solemnly.
Lu Yin replied respectfully, "Don't worry, senior. I'll certainly do that."
Illusory Lord looked envious. "You really are lucky, kid. The Seven Star Primordial Card's power should be no weaker than that old man Dan Gu's Heavenly King Card. Once you use it, there won't be many in the Six Directions Meeting who can match you."
Lu Yin asked, "May I ask how I should use it?"
The Hidden Mountain Card only worked at the Star Envoy level, so he could use it as soon as he got his hands on it. This Eternal Dark Card, however, clearly wasn't something he could use so casually.
Dan Gu said gravely, "To use the Eternal Dark, it's best if you raise your cultivation by one level. Even if you don't reach the Extreme Expert level, you should at least become someone just below it. Otherwise, even if your enemy is dragged into the Eternal Dark, they could easily escape without your help. A card is equivalent to a life, but it's only an aid. People will always be in control. No matter how powerful a card is, its owner must work in concert with it. The Eternal Dark is no different."
"Try it for yourself. The first person to enter the card becomes its owner. It won't harm you, but using it won't be easy."
Lu Yin nodded and carefully put away the Eternal Dark Card. From now on, he had another trump card, though he would indeed need to find time to