As an Artifact Refiner, Wang Yu could not claim to know every refining material like the back of his hand, but he was familiar with most of them, including quite a few ores.
After a moment's thought, he realized what the black stones were.
They were silver obsidian, an auxiliary material often used when refining metal Magical Artifacts.
This material mostly came from veins of silver, iron, and other metals. It was an associated spirit material found alongside those ores. Although it generally occurred in small quantities, it was not particularly rare.
When refining metal Magical Artifacts, however, mixing some silver obsidian powder into the Artifact Embryo could greatly improve the finished artifact's toughness, allowing it to withstand greater infusions of Dharma Power.
Judging by the uneven fragments of silver obsidian scattered over the ground, the green monstrous python had clearly found them in some metal vein within the Secret Realm, hastily smashed them, and piled them in front of this spirit tea tree.
Python Demon Beasts possessed little intelligence, but they would not do something for no reason.
Could this spirit tea tree need silver obsidian to grow its leaves?
Puzzled, Wang Yu made a mental note of it, then walked up to the white tea tree and examined the spirit plant closely.
The tea tree stood only about five feet tall. Its leaves resembled willow leaves, growing along slender branches. Each was as snowy white as jade, but on closer inspection, faint pale-silver speckles dotted their surfaces.
The instant Wang Yu saw those silver speckles, he thought of the silver obsidian. He reached up and plucked a snowy leaf, sniffed it, then gently placed it in his mouth and chewed a few times.
The leaf was extremely tender. As soon as he bit into it, a delicate tea