Emerald stave

The emerald stave was an enchanted artifact staff that once belonged to a yuan-ti Zehirite cultist Il'Foss in the late 14 century DR.

Description
The staff resembled a wearing sinuous snake.

Powers
This powerful artifact held a portion of Il'Foss's dark powers and because of that foul influence, only creatures who venerated evil could wield the emerald stave. Those who managed to tap into the weapon's magic received a boon of increased intelligence. The staff also allowed the wielder to create undead once per day and afflict a creature with crushing despair once a day.

History
In the, yuan-ti who followed an interloper deity Zehir revealed their sinister intents for the Sword Coast. The yuan-ti House Se'Sehen began attacking the operations of House Sauringar and their Mercantile House trading organization led by Sa'Sani. An attempt on her life took place in the Red Sheaf Inn, a roadside inn east of the city of Neverwinter. The attack was led by a cultist mage Il'Foss who wielded the emerald stave. With the yuan-ti cultist's likely dead, the staff changed hands. Il'Foss's powers still clang to the weapon even after leaving his possessions.

Appearances

 * Video Games
 * Neverwinter Nights 2: Storm of Zehir