M'tarl

"Alas,” Gromph said dramatically, and Jarlaxle paused. "M'tarl did not survive."

- R.A. Salvatore, Siege of Darkness

 M'tarl was a drow lieutenant within Jarlaxle's Bregan D'aerthe.

History
In 1358 DR, while traveling through the deadly streets of Menzoberranzan seeking valuable information to help the organization's cause, Jarlaxle and M'tarl encountered Gromph Baenre.

Death
To have a private conversation with Jarlaxle, Gromph transported M'tarl to an extra-dimensional realm. After their meeting ended, Gromph told Jarlaxle his lieutenant perished.