There were very few objects that the System was unable to scan. All of them were those that were either not from this world, or beyond the database that it had.
And this was a very rare instance, especially after the system had obtained data from not just the Skull God, but also the libraries of the Guardian clan.
Thus, Lin Wu was very interested in what this unknown object could be. While the system did its work, he too observed it closely, wondering if there were some clues as to what it could be. Since his Spirit sense could not pick up on it and simply passed through it, he observed it through other means.
First, he just took a simple look at it with his eyes.
The object looked like a circular plate that did not have a perfect circle shape. Rather it was a bit oblong and oval in shape as if someone had smoothed out the corners of a hexagon. It wasn't fully flat either when Lin Wu observed it from the side.