A hidden, ancient library nestled deep within the labyrinthine streets of Gothic Barcelona. The building has a mysterious, forgotten quality, with towering bookshelves and vaulted stone ceilings covered in dust and shadows. Tall arched windows let in soft, diffused light that casts eerie shadows across the floor, where rows of old wooden tables and reading desks stand. The walls are lined with decaying tomes, leather-bound books with intricate gold detailing, and scattered cobwebs.