Complex sentence: Much of the novel concerns Sharrow's adventures in searching for and acquiring it, motivated by the fact that the Huhsz religious cult regard it as a sacred object and if she can give it to them, their vendetta against her will lapse.
Split into simpler sentences: Much of the novel concerns Sharrow's adventures in searching for and acquiring it. Her motivation is that the Huhsz religious cult regard it as a sacred object, and that if she can find it and give it to them, their vendetta against her will lapse.