If you pickpocket someone who shoots target dummies with arrows and take whatever arrows they were using (usually iron or steel) and give them 1 of the arrow type you want infinite of, they will shoot that type of arrow instead. Just collect them as they hit the dummy and you can build up a nice stockpile.
The sequel to the award winning Hellblade: Senua’s Sacrifice, Senua returns in a brutal journey of survival through the myth and torment of Viking Iceland. Intent on saving those who have fallen victim to the horrors of tyranny, Senua faces a battle of overcoming the darkness within and without.