Infant Restraining Net, a One-use Magic Treasure

After that round of spending, only 1.7 billion low-grade spirit stones remained from the original 3.2 billion.

"Living off one's savings will eventually empty the mountain. Without a steady income, no amount of spirit stones will be enough!"

Jiang Ding's heart ached a little.

He always felt that even if mountains of gold and seas of silver lay before him, they would somehow vanish in strange yet perfectly reasonable ways.

As for Library Points, he had no intention of using them to exchange for spirit stones or natural treasures.

Not only would he not use them, if necessary, he could even continue subsidizing them with spirit stones.

In short, everything was for the Great Sun Golden Core Secret Art, and the Great Sun Golden Core Secret Art was everything.

If he failed to develop the Great Sun Golden Core Secret Art, then no amount of wealth would be of any use. It would be a tragedy if his lifespan ran out while a mountain of spirit stones still sat in the warehouse.

"Lifespan?"

"Yes, lifespan."

Jiang Ding recalled something. He searched through the balance list on the Immortal Sect Bank app with his divine sense.

"First-grade longevity grass, 320 stalks. Can be used to extend the lifespan of Qi Refining cultivators by up to twenty years."

"Second-grade longevity grass, sixty-seven stalks: thirty lower-tier Grade 2 stalks, twenty middle-tier Grade 2 stalks, and seventeen upper-tier Grade 2 stalks. Can be used to extend the lifespan of Foundation Establishment Cultivators.

"Lower-tier Grade 2 Longevity Pills extend lifespan by ten years. They can be taken repeatedly, though the effect diminishes, with a maximum limit of twenty years. Middle-tier Grade 2 Longevity Pills have the same maximum lifespan extension of twenty years, while upper-tier Grade 2 Longevity Pills have a maximum lifespan extension of