Many people are killed with a sword but there isn't much blood throughout.
Occasionally, severed limbs are seen along with some blood.
Several characters die by the sword for seemingly small things.
This film is an homage to Sergio Leone's films (Fistful of Dollars, A Few Dollars More, and The Good, The Bad, The Ugly.) Blood isn't present with the sword fights especially, when the lead character strikes several ronins down with his sword.
A man gets slashed by a katana. Blood starts to spray out of his chest.
A man is shown after being bruised and beaten facially. Some blood and swelling.