From DDO wiki
|Item Type||Jewelry / Necklace|
|Race Absolutely Required||None|
|Location||Sins of Attrition, Any end chest ; Tower of Despair, Nythirios chest|
|Description||This thin wooden necklace belonged to the notorious Tempest, Kilaui, and is infused with elemental energy.|
Despite the description, the set bonus appears to do bleeding damage, and not slashing (undead and constructs are immune to it).