Spawns as you complete the group mission "Secrets of the Stones" (see this quest entry for details).
Amber of the Culicidae
Bejeweled Loop of the Ambassador
Energetic Rod
Greater Alaran Cantrip
King's Ransom
Luminous Monocle of the Scribe
Median Alaran Cantrip
Scar of Rex
Slorn's Ceremonial Drape
Spiked Pauldrons of the Prismatic Selyrah
Tri-Shield of the King
Warmace of the High Guard