The items that have been destroyed were actually treasures that they have brought from the Tudor Kingdom.
Although they weren't aware of the real mysteries hidden within them, they were sure that those things weren't simple.
All the appraisers they know were unable to even grade them… It means that those things were most likely above Legendary Grade or perhaps, those Special Grade items that they've read in books or ancient texts.
They were lucky enough to put them in "active" mode and they started using them to train themselves to become stronger Mana Practitioners.
They were benefiting just from the aura effects alone but it wasn't really enough to cross the talent gap of each individual.
No matter how fast they get in their cultivation, their talent would still limit them with the amount of mana they can take in their Mana Core. After they reached this limit, these ancient stones or fragments would be useless to them.
