Spawns as you complete the group mission "Rebel Assault" (see this quest entry for details).
Archon's Steel Gorget
Dense Silkwoven Ring
Guardian's Plated Mask
Lesser Alaran Cantrip
Lost Halberd of Sarith's Guardian
Median Alaran Cantrip
Megalodon Hide Sash
Minor Alaran Cantrip
Perpetual Sharpening Stone
Sarith Scout Bow
Sea Ranger's Blade
Spiritblood Shield
Worn Petrified Mephit Bone Shard