The magical beast core can also be used to increase an awakener's strength, or a magical beast's, or used in alchemy.
For a magical beast, devouring the corpse of another magical beast could increase their strength in the same way, but its core was even more effective.
A magical beast core was one of the ways to identify a magical beast. But only experienced awakeners possessed the knowledge to tell the difference.
Unlike descendants from noble clans, it was common for ordinary students who couldn't afford to spend on magical beasts' cores to acquire them from beasts they had killed in the dungeon to increase their strength.
Whereas I, who barely received any support from the Zahara Clan the moment I entered the Grand Avalon Academy, this had been the only way that I could increase my strength before the awakening of my Beastmaster Path and the Cybernectic Evolution system.