Speaking of things. If that's ok with the GM the new canonical reason why none of you have ever heard of my species is because they tend to self exterminate before reaching space flight. With my planet being a rare (not only, just rare) counter example owing to the intervention of a Kai and swearing off certain techniques as forbidden.

Well, I mean that was the old reason I had in mind since like the inception but I didn't figure to ask for permission until now since it's becoming relevant.