The Sable Order

"For Gotoh to create the magic that could defeat Gharnef, he needed two orbs: the Lightsphere and the Starsphere. Marth and company set off to Chiasmir and the Fane of Raman to find them, but in their path stood a cohort of Grustian knights known as the Sable Order. The bridges across the strait would soon be choked with the brave and the dead..."

Information
'The Sable Order is chapter 18 of the game Fire Emblem: Shadow Dragon.