"Yes, your world. The reality that you normally exist in. There are many of them. Each of them are accessible to the Library and its Librarians."

That was an easier topic than the potential dangers to the Library. His ears dropped for a moment before he sat down and wrapped his tail around his paws. "The Library is vast. Greater than most sentient minds can comprehend. Sometimes things from one world slip into another or chaos creeps into the Library. The areas that are in disrepair or filled with shadows that don't seem normal... those things corrupt our work and risk the worlds we tend."