Purple Bell Poison Flower
"What!? That would be disastrous!" Lord Xie quickly said, and he continued, "We will need to find a method to effectively protect the Heavenly Spiritual Root when we return!"
"I don't think you have to worry about that," Su Yang said to him.
"Why not?" Lord Xie looked at him with a puzzled face.
"Because the Heavenly Spiritual Roots exist deep underground, and even if you somehow manage to dig to the Heavenly Spiritual Roots, I doubt any of you would be able to damage it."
"Heavenly Spiritual Roots are not your ordinary tree roots, and unless your cultivation is at the Ancient Realm, you can forget about even scratching the roots."