It is probably 98% action; what dialog there is, that isn't howls and grunts and snarls, is bombast. (So many villains in movies seem modeled after Jackson’s orcs in appearance, behavior and communication, whether they are supposedly human or not – it’s true in this film as well, with the Big Bad’s henchman who chases Conan and the Virgin, whom after many hours, Conan finally destroys by using him as a message / messenger, catapaulting the ugly hench-bad from the cliffs above to crash into the Big Bad’s bedroom.)
All very well done for what it is, and quite faithful to Howard. But that's why the movie was dull. By the time I found Howard's novels I'd already outgrown flat characters, non-dimensional story, implausible world building and those preposterous monsters, still so beloved by boys of any age who adore that sort of thing.
What I didn't realize until watching this movie version of Howard's Great Hero, is that Hybornia or whatever this S&S world is called, it's still a western. Taciturn protagonist who rides off alone at the end of saving the girl and the
McMurtry was a happier fellow though, from boyhood, than Howard was. If I have this right, Howard was gay, while McMurtry isn't, so that's a big reason right there why McMurtry would have been a happier person in that time of the world, in Texas.