The Shadow Odyssey, Chapter 6: The Guns of Brokenskull

Steps
Morsely believes that the best way to breakup Brokenskull whould be begin a war between the Ykeshans and the Brokenskull.
 * Speak with Captain Lip Marrsquire about the Grozmok Stone, he want you to retrieve the stone for him. You have to do another quest Heroes Honored to progress.