If Ash kept up her current actions during such a time, then it would become much more difficult to find Spirits that would suit her needs, as there would be a much smaller number of them, and there would not be so many more powerful ones being left in those areas.
If there was something that had changed to make things easier for her, then it was how the quality and quantity of the Spirits had risen as the chaotic era was beginning to become worse as time passed.
If she kept hunting Spirits like she had been, then there would surely have been a limit to how many she would encounter after capturing a large number of them during her daily activities.
It was the same for any higher-grade Spirits that were in those locations, which would be far more difficult to replace.
If Spirits started to disappear in such a manner, especially when it came to documented higher grade Spirits, then people would begin to pay attention to it, and they would investigate.
