Being a physician was a profession that greatly relied on experience, unless one, like Li Yu, simply overwhelmed others through higher levels of technology; otherwise, it usually required methodical accumulation.
Especially on the Bratis Continent, due to the lack of a scientifically rigorous theoretical framework, understanding of pathology was essentially based on guesswork.
Medical knowledge was mostly passed down orally, and there were few related texts.
For the same illness, the treatment methods of different physicians could be bizarre and varied enormously.
To become an outstanding physician, one needed a good mentor, or else one could only rely on continual exploration and summary through practice.
Given Adelle's age, it was clear she could not have had much experience in practicing medicine, and no matter how gifted, her level of medical skill would not be very high now.
Not to mention, she certainly couldn't compare to Priest Tessa from neighboring Black Stone City.