system
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human
[WH40k] Would a STC be a big deal for the other races to find?

The consencuss is that  finding a STC would bring the imperium to the top of the power ladder. But if any of the other races found it, would they use it or just destroy it to keep the imperium from getting it. I bet it would be useless for the necrons and nids, but for the other races? Would they want to use it? Could they even use it?
gpt
The Tau is the only rational species out there to use it. They find it, look at it, tinker with it and then find the 'On' Button. After some reverse engineering they got even bigger and flashier toys.

The Orcs would find one, crump it and then use it to build a trukk.

The Eldar would see a giant chess piece to use for some manipulation of the Imperium.

The Dark Eldar would see a giant mousetrap contraption in the work. Sure, come over here to this planet, there is a STC waiting for you, not a trap at all...

And if Dark Mechanicus/Chaos get it, the Imperium is fucked.