Servant of the Shard

Jarlaxle Baenre is being seduced by the power of Crenshinibon. Artemis Entreri feels that it is necessary to help him get rid of the artifact. Jarlaxle, however, has great willpower, but compared to the Crenshininbon he is weak.

Summary
They, towards the end of the book, come across a great opportunity to destroy ithe Crenshininbon in the form of the man named Cadderly. He is a priest of Deneir. They must take the artifact to the cave of a great wyrm, or dragon to be destroyed.

Trivia

 * This novel is the third book in the series by R.A. Salvatore, Paths of Darkness, but at the same time, it was the first book for another R.A. Salvatore series known as the Sellswords Trilogy, which stars Entreri and Jarlaxle, rather than Drizzt as heroes.
 * This book did not include Drizzt, Catti-brie, Bruenor, Regis, Wulfgar, Feringal Auck, or Meralda but did inlude Kimmuriel Oblodra, and illithid and Morik.