In the Tianyuan Realm, spiritual stones are extraordinarily precious.
Whenever he thought of this, An Jing would be reminded of Chongyi Tower. There were surely a few spiritual stones left in the tower’s vault, but those had been squandered by the birth of the Revenant Demon.
Even now, he felt a twinge of regret. "Spiritual items and cultivation techniques are useful, but spiritual stones are the hard currency of both worlds. They can be traded for the resources I need most."
Chapter 225