Humans and beasts without special bloodlines are on their own during the process of forging a foundation. But while humans can comprehend and use cultivation techniques to assist themselves, animals don't read and can't use cultivation techniques yet.
Roar, for instance, just wasn't smart like Princess, so he needed more help to forge his foundation. This will inevitably make foundation establishment dangerous for him.
The most straightforward solution was to use a natural wonder. It is still dangerous for Roar to assimilate a natural wonder, but it is the simplest and most direct solution for him.
The second complicated solution was to have someone operate on Roar and establish his foundation for him. This too would be dangerous, but less expensive than buying a rare natural wonder.
These two options are the only way out for Roar. The first is expensive and would rely on only Roar for success, while the second option is cheap but would rely on the surgeon and Roar for success.
