Planescape: Torment
An Abishai standing near the portal to the Siege Tower in the Sigil Lower Ward, unable to get inside.
Sebastion sends you to kill him.
(Sebastion)
At reference to Sebastion, Grosuk expects you to have information from him about how to enter the Siege Tower. You have to either kill him or allow him to kill Sebastion now.
(Grosuk)