This is not a SFW instance. NSFW communities will be tagged, and efforts will be made to keep SFW communities clean, but proceed at your own comfort level.
If they don’t make it worse with whatever class system they develop, 120 won’t be fatal (at a population level). There’s groups that exist with fewer, like Pitcairn islanders, who descend from a shipwreck.
It all comes down to how bad an individual person’s bottleneck is. The Habsburgs managed to get it down to a single digit number of great-great-great-… grandparents before they went extinct, IIRC.
If they don’t make it worse with whatever class system they develop, 120 won’t be fatal (at a population level). There’s groups that exist with fewer, like Pitcairn islanders, who descend from a shipwreck.
It all comes down to how bad an individual person’s bottleneck is. The Habsburgs managed to get it down to a single digit number of great-great-great-… grandparents before they went extinct, IIRC.