Create a highly detailed 3D Pixar-style character of a mysterious guardian of se

Create a highly detailed 3D Pixar-style character of a mysterious guardian of secrets. The character is of indeterminate age, with timeless, enigmatic features. They are dressed in a dark, elegant coat, with piercing eyes that seem to see into the soul. They hold an ancient book or a key, symbolizing the secrets they protect. The setting is a dimly lit room filled with old books, candles, and mystical artifacts. The overall atmosphere should be mysterious and captivating, drawing viewers in with a sense of intrigue and anticipation.