Behind the scenesEdit
It's not clear what the Ilzak are exactly, but some references to the original Ever Quest appear to suggest it may be the name of a lizard race (aka Iksar) similar to the Lizard Folk. If there is a connection perhaps the Lizard folk and the Ilzak are one and the same species.
On the other hand it might simply be a impish vegetable or herb of some sort. lizak (note with and an i) is a word for lollypop in the Polish language. It is impossible to tell the difference between l (L) and I (i) in the font used in the novel.