Can’t really add too much that wasn’t said above- good idea, poor/weak execution (really that could apply to the whole pre-movie 2004 era). They fulfilled a few of those early promotional promises in the '05 books when they went berserk, but the two problems I have with that are: 1, the city’s ruined and (effectively) abandoned, so who really cares what the Vahki are up to; and 2, the Visorak wipe them out easy-peasy, so there’s no real threat from them after a certain point. Also weirdly, Web of the Visorak mentions how Vakama found Vahki parts in Makuta’s lair, and he speculates that Makuta was planning on making the Vahki more aggressive or something- but this goes absolutely nowhere. Not sure if that was just Greg alluding to Makuta’s grander schemes, or if that was supposed to be foreshadowing something that never happened.
I do also have a related question about the Vahki that I was wondering if someone could help me out with:
I remember reading (probably on BS01 though I might be mistaken) that the Dark Hunters had taken a few Vahki (or at least their blueprints) and used them for a few missions. This tidbit was supposedly given by Greg as the reason why Vahki were featured on the back cover the DH Guide, similar to him explaining why Keetongu was on the front of it. My problem is that I can’t find this information anywhere on BS01 or any of the lesser wikis. So was this ever actually a thing? Can anyone find the Greg Answer addressing this (or at the least remembers it)? Or was this an edit that someone made to the wiki that had no verified source and so was removed?