"The three prerequisites for setting up a formation: a formation disc, formation bases, and formation patterns..."
Lin Mo carefully searched his Storage Bag and soon took out the three thousand mid-grade spirit stones he had received during the Spirit Plant Grand Competition.
Mid-grade spirit stones were exceedingly scarce. Even the three great Sect Masters had little to spare, and the stones' attributes were rather mixed.
Fortunately, the Azure Cloud Primordial Defense Formation had no special requirements for the stones' attributes, which saved Lin Mo some trouble.
"I know every variation of the formation patterns, but the hidden dangers within them... huh?"
Lin Mo looked up for a moment and discovered, to his astonishment, that the paths along which the sword intent circulated seemed to have undergone subtle changes since his time in the Sword Tomb.
He could not tell exactly what had changed, but he vaguely felt that this, too, must have been the Treasure Gourd's doing. It had perfected the circulation paths of the sword intent left behind in the Sword Tomb!
"In that case... I can adjust the formation patterns accordingly."
Lin Mo pondered for a long time, his gaze lingering briefly on the longsword in his hand, before he slowly shook his head.
A formation disc was not a fixed requirement; other treasures could serve in its place.
Lin Mo's original plan had been to carve the formation patterns onto the longsword.
He had obtained this flying sword after killing Gou Fengying. It was a middle-rank eighth-grade weapon, priced at five thousand contribution points in the Sect Affairs Hall, and its material was quite exceptional.
Using it as a formation disc would let him unleash sword techniques in battle while activating the formation by surprise. The results were bound to be good.
But that also meant that