In "The Lady of Shalott", death is presented as a sweet release. The lady dies while singing a mournful tune, floating in her boat on her way to Camelot. The note that she placed on her chest says that "The charm is broken utterly, Draw near and fear not". This shows death as something not frightening or ghastly, and she has found the way to break her curse which gives it a more positive connotation.
Abstract nouns are essentially nouns that can be interpreted differently by different individuals, such as beauty or maturity. Going by this definition, the abstract noun in the given sentence should be "loyalty".
Its emphasises the writers message and keeps it constant, andstuck in the readers mind, so therefore the reader will want to read on due to the fact that they'd want to find out more about what is actually happening and it gets them hooked.
Character vs. self I think, but it could be character vs. others.
IT MIGHT NOT CAUSE A SEQUENCE.YOU NEVER KNOW