Bohr took over the duties of taking care of the tower from Lu Zhiyu. As he had been practicing medicine and compiling medical books for a number of years, he was already familiar with the structure of the human body and the mysteries inside the body.
When he was in his hometown, Bohr had completed his elementary studies in medicine within a few years. Many professional doctors arose from the Duchy of Gracchus. There were even large clinics in the area. The Kelermo Medical Coding, written by Bohr, had been accepted by the doctors as being likened to the bible of medicine. Within five years, the information therein had spread throughout the entire human world. Even the orcs had heard Bohr Kelermo's name.