* Her skillset: Holly is a skilled warrior and detective, known for her intelligence, tactical prowess, and dedication to her duty. She is the perfect candidate to investigate the complex case of a human criminal mastermind like Artemis.
* Her experience: While she isn't explicitly stated to have been working for four years prior to the case, she is implied to be an experienced LEPrecon officer, having been trained in various combat and tactical techniques.
* The nature of the case: Artemis Fowl's crimes are unprecedented and dangerous, requiring a highly skilled and resourceful officer like Holly to handle the situation.
It's important to note that while Holly is dedicated to her duty and often faces danger, she is not performing any religious or spiritual ritual in the context of the series. She is a dedicated police officer working to protect the fairy world from human threats.