While the story is good, the flaws begin to stand out.
Yes, all the little things that should have been important to the filmmakers in production and in filming.
Like - airplanes in the sky.
It seems to be winter or early spring but snow doesn't stick to anything, nobody's face or skin turns overly cold or white or purple due to it. Snow doesn't turn to water when collecting on anybodies's face, the pelts they wear do not freeze after they fall through ice into the river Natives have very straight, clean teeth and very clean hair and skin - even after going through battle.
Vikings wear heavy amour but move swift, fast and easily through the forest.
Climbing the edge of a mountain, nobody is freezing wearing virtually no clothing.
There are tire tracks in the mud.
Even though a slew of swords are used and arrows are shot, no horses get injured.
There are a bunch of things like that - after watching the movie, just begins to make you wonder how this can be thought out and actually given an OK.
Snow that blows all over the place, but in some areas of open space, there is none and then several feet away there is several feet of it.
Caves with light coming in from all directions.
Swords that seem to weigh as much as a can of pop - being easily flung across a field or lifted and swung without much force or effort.
I can go on,but I won't.