She never thought that dementors were scary creatures, although she had only been by them a handful of times when Tom had decided they had needed them as allies. Sirius Black escaping Azkaban had brought them here, and she could feel the air turn to ice. Tall, willowy, living shadows with the ability to suck all the happy memories from you, they had the power of allowing you to relive the worst one you've had in all the years you have lived. But for some reason Hermione was the first to be seen in the compartment, and she was the one to relive a memory of anger instead of fear, a feeling along with thoughts she hoped she would never feel or ever think again.