[Taqwus]

In my present game (255-system 1-planet start, ca. turn 250 w/ probably only the two known non-neutral AIs left as well a handful of neutrals), pretty much every remotely-recent enemy ship class has a self-destruct device. Most (but not all) also have ECM and sensors, and I've even seen it deploy spy satellites (tachyon sensors)...

(of course, I've also noted that the previously-destroyed [surrender] Ukra-Tal had Cloaking II, but apparently never used it... !)



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-- The thing that goes bump in the night