Varriel

Varriel was a Red Wizards of Thay in Waterdeep in 1479 DR.

History
In 1479 DR Varriel discovered notes about a necromancer's laboratory inside Undermountain. Not suited for adventure she hired Aizel Treemaine, a female elf wizard, to explore on her behalf. However Aizel joined the doomed Rutherford Urmbrusk's party and disappeared. Soon after some undead with a symbol associate to that laboratory started wandered for the dungeon. So Varriel decided to hire an adventuring party in order to uncovered the matter.

Behind the Scenes
The adventure no specify if Varriel was a red wizard exile with good intention or an evil minion of Szass Tam