Lady Tianyun was old and cunning; Su Shi'er had learned that long ago.
There was no guarantee that the Peach Blossom Branch Magic Treasure she had used did not contain some other hidden contingency.
Taking a deep breath, he first swept it repeatedly with his divine sense.
Only after confirming that there were no other issues with the Peach Blossom Branch Magic Treasure did Su Shi'er circulate his cultivation and slowly channel his power into it.
"Hmm? This is...?"
The next moment, Su Shi'er's eyes flew wide open, his face filled with astonishment.
The Peach Blossom Branch Magic Treasure itself was extraordinary, but more importantly, as True Yuan flowed into it, he could clearly see densely packed, incomparably intricate formation patterns within.
The formation patterns inside the Magical Treasure were as fine as hairs, yet exceptionally tough.
"No wonder this Magical Treasure can form a grand formation in an instant once activated. So it carries intricate and immense formation patterns within it.
On Azure Star and in the Immortal Cultivation Holy Land, cultivators also appropriately arrange formations within Magical Treasures when refining them, to bolster their might.
But embedding such intricate and immense formations inside a Magical Treasure is simply far from easy.
This alone shows that the Yuqing Star Domain possesses an extraordinary foundation and deeper attainments and methods in artifact refining!"
Muttering softly to himself, Su Shi'er's tone was full of emotion.
Whether there were other methods or ingenious features involved in refining this Magical Treasure was naturally beyond his ability to discern.
After all, he did not know all that much about the Art of Artifact Refining.
But when it came to Formation Dao, he believed he could still glean quite a bit of information.
And precisely because of that, he could better sense the extraordinary nature