The Academy's Thirty-Six Supernatural Systems

Among them, Purple Grade Core Materials were bought back at roughly one Void Crystal Coin for every twenty, Gold Grade Core Materials at one Void Crystal Coin each, and Red Grade ones at fifty Void Crystal Coins each.

As for Death Spirit Stones and Evil Qi Stones, they were bought back according to quality, but their prices were generally similar to those of Core Materials.

After reading it, Lin Yi felt that the buyback prices were far too low.

Although he currently possessed quite a few Purple Grade Core Materials, obtained from hunting in the Black Mountain secret realm, exchanging them for Void Crystal Coins simply was not worthwhile.

As for Death Spirit Stones and Evil Qi Stones above Purple Grade, Lin Yi did not have many of those either.

The only truly valuable item was the Evil Seed: Red he had obtained by killing the Forbidden Eerie Spirit Rotting Demon Tree.

On the material buyback list, this item was quite rare and worth thirty Void Crystal Coins.

Lin Yi set down the material buyback list and muttered, "I still have more than ten thousand Void Crystal Coins on me, so I'm not short on money. The most important thing right now is getting admitted successfully. As for earning money and gathering resources, that can wait."

Next, Lin Yi began studying the Formation within his room in the 003 Grotto-Heaven.

Anything that could increase Source Qi generation was absolutely good stuff.

If he could set up this kind of Formation within his own Small World, wouldn't it have the same effect?

Unfortunately, the Formation within the room's grotto-heaven was buried far too deeply. On top of that, Lin Yi was only a half-baked Ancient Domain Array Master and simply could not discern the source of this Formation.

After soaking in