Spawns as you complete the raid event "A Cunning Plan".
Amulet of Brell
Ashen Loop of Bone
Battle Staff of Torment
Bladed Shield of Havoc
Brightly Pulsating Crystallized Cosgrove Shard
Brilliantly Pulsating Crystallized Cosgrove Shard
Crystallized Ball of Cosgrove Clay
Emblem of Brell
Firelight Earring
Growling Visage
Hammer of Ravenous Lichen
Iridium Encrusted Brachial Clay
Iridium Encrusted Carpal Clay
Iridium Encrusted Cephalic Clay
Iridium Encrusted Crural Clay
Iridium Encrusted Phalangeal Clay
Iridium Encrusted Tarsal Clay
Iridium Encrusted Thoracic Clay
Lichen Draped Stud
Lichenweave Cord
Living Lichen Mask
Lodestone Band
Magma Seared Band
Mephit's Tear
Mephit-hide Cowl
Runed Mask of the Creep
Sparkling Precandescent Rune
Torn Sash of the Overminion
War-torn Axe of Mayhem
Winged Axe of Rebellion