There I was, holding off ships of 2 fleets from the Delgrath Confederation, with my fleet of 80 ships. Things were not looking good. I had no choice but to disengage and retreat to the closest star system, which I did. The citadel of the just vacated star system had to hold then off. Which they did. The citadel damage or destroyed about half of the Delgrath's total ships. A reprieve!
The United Stellar Systems was made up of 65 stars, with 15 habitable worlds. I had 6 fleets, but I had to guard all the around, as I'd been surrounded by alien civilizations. The only available fleet also happened to be the smallest of the fleets. And the least powerful, if I could have, I would have switched out with one of the other fleets that was 100k in attack. At least it was updated with the latest technology. Sort of.
I have to say, Stellaris has a lot going for it, if you want a long immersive game. It's all that and more. I own a number of DLCs that improve the game somewhat over it's plain jane original offer. Honestly, I really think that some of those DLCs make it a new game altogether. Buy don't "lease" your DLCs through a subscription. Doing so merely enables the feudal system we are becoming. You know, where you, the user, doesn't own anything. It's all rented or leased.
Anyway, I had fun with Stellaris and this my umpteenth time around the game.