Well, that was an ending. Perhaps a little underwhelming, but what saved it from being outright bad was that Hirst was respectful to the characters (unlike Game of Thrones) and had coherent arcs plotted out from the get-go (unlike Rise of Skywalker). I wasn't blown away, but everything felt right, if that makes sense.
My only real complaint was that Ivar got taken out by some terrified-looking kid. He and Alfred have long-since been set up as rivals, and it would have worked better with the "Christianity takes over" theme if Athelstan's son was the one to deal the killing blow to the world's most famous Viking. I get subverting expectations and "biggest bad gets taken out by a random nobody" is popular these days, but it really hasn't worked since Lorne killed Lindsay in "Angel".
The guy who killed someone for the sake of gold in America was profoundly stupid (dude, where do you plan to SPEND this gold?) but it was part of the theme that there's always going to be greed and violence in the world; a new land won't change that. Also, that in order to survive, the Vikings now have to change and adapt to new cultures.
Hvitserk... yeah, he was always a follower, so I'm not surprised he converted.
I kind of wish we finished with Rus way sooner in order to give more room to Wessex and more cat-and-mousing between Ivar and Alfred. But I'm glad the latter maintained his integrity and has clearly become the good ruler he's so renowned for.
So Ingrid becomes Queen of Kattegat. If you had told me that at the beginning of the season, I wouldn't have believed you, but good for her! Still bewildered that this fairly minor side character rose to such a height (along with a slave woman we were literally introduced to in the previous episode) but I'll take it. I bet Gunnhild is kicking herself in Valhalla. Girl, all you had to do was wait for Harald to go get himself killed in Wessex, and the throne was yours!
I'm kind of disappointed we didn't get some cameos from the original cast members: Ragnar, Lagertha, Athelstan, Rollo, Bjorn (I mean, we saw HALFDAN again for goodness sakes, but not the others?) but I supposed the actors have long since moved on. Honestly though: imagine a scene in which we see them all rocking out in Valhalla.
Glad Torvi made it, but did they really have to kill off her daughter?
And of course, extremely fitting that it all ended with Ubbe (Ragnar's best son) and Floki (his oldest friend, and last remaining original cast member). Laughed my head off at the two of them sitting there in those ponchos.
It's been fun guys. I don't think anything matched the excellence of the early seasons, culminating in Ragnar's long-con in defeating King Horik, and from season three onwards Hirst had a frustrating tendency to introduce new characters and almost immediately kill them off (Yidu, Heahmund, Magnus, Astrid...) but obviously something kept drawing me back. I guess we'll meet again in the spin-off.