Wendala cannot die, she is already (un)dead...

But more seriously, in some of the older version of LF2, there was a quest where Wendala was abducted by a vampire lord and you had to save her - but she could also die during the quest (it was a bug, the quest was supposed to be in LF3, not LF2, and was repaired in later versions). That's probably what Alikamou meant by the post.
ps. I haven't played this quest personally, so I'm not really sure about this, but I remember I read this somewhere at the forum.