In the Demented Grounds, Aurora opened her eyes suddenly as flames began to dance around her. She had finally completed the first level of the 'Primordial Chaotic Thunder of Hell,' and her spirit had finally evolved.
She didn't know exactly how her spirit had evolved, but she could feel the changes within her. One of the major changes was that the range of her spirit sense had increased; now, she could sense anything within a certain radius.
The second change was her control over everything, whether it be energy or elements like lightning and flames. The last change was that she felt her comprehension ability had improved; now, if she were given the first level of 'Primordial Chaotic Thunder of Hell,' she was sure she could grasp it within three months.
The evolution of her spirit was a massive improvement. Now, she understood why Asty had said that spirit cultivation was crucial for alchemy.
A little info dump in next chapter