There was a rumor last week regarding a possible Dark Eldar Tantalus, and today we have a little more possible insight to what it is. While the options of what it could be are still possible, like an alternative to Vects Dais of Destruction, this may be the answer to what was seen.
Please remember that this is a rumor
via an anonymous source on Faeit 212 ***
i can verify the rumor on the de tantalus, but it's not what people are thinking. it was on a list to be sold for events, and still is, but its the existing forgeworld model, not a gw one. a supplement and new codex are also there.