Istrid Horn

Istrid Horn is a shield dwarf and Master of Coin for the Zhent. The group met her when she came to the tavern asking for a place to stay because Davil had been arrested. She is staying in Nerali's room.
Later, she gave them details on the potions they delivered to a cloaked figure, which helped them identify the Black Viper.

Istrid Horn is a shield dwarf who is a member of the Doomraiders and acts as master of coin for the Zhentarim in Waterdeep.