That's a tentacle rod (a magic item from the DMG), not a scourge whip.I was looking at the picture of the drow with the tentacle whip in Against the Giants. Great art, but I still do not like the octopus tentacles. I would rather see something else like snakes from the Salvatore books. I did not read it so if it is specific to the story I can go with it, but if it is the way all drow scourges/whips look than I'm just "meh" about it.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.