[SixOfSpades]

That had me puzzled for a long time, too. I kept fiddling around with those Kuo-Toan tadpoles, because I'd already killed the Prince and couldn't figure what the heck these stupid tadpoles were for. I refuse to look at a walkthrough until I've already completed an area, but once I left the Underdark I went to the GameBanshee walkthrough, saw what I'd missed, and promptly went right back.