The 'Guardian'[1]
[Ace POV],
After extracting the crystal cores from the two rank 1 fire eagles, I asked Anna if I could exchange them for the crystal cores in my hand, which she gladly accepted.
According to her, she needs a lot of crystal cores to upgrade her skill, and since the upgrade requirements did not specifically ask for rank 1 crystal cores, it benefited her more to exchange rank 1 cores for the unranked but plentiful ones I had.
Of course, I did not give her all of the crystal cores I had on hand, but the ones I did give her were sufficient to satisfy both parties.
Overall, I received the crystal cores, which was satisfactory. I also collected some blood from the two rank 1 fire eagles as it was an excellent alchemical material.
Aside from making pills, it could also be utilized as a catalyst for magic arrays, formations, and runes.
It could also be used to make potions or inscriptions ink.
