Nope, it’s a dagger… well actually 4 daggers from the Daz3D product Deadly Daggers.
Couldn’t resist the classic line from Crocodile Dundee:
That’s not a knife… (drawing out his Bowie knife) THAT’S a knife.
https://www.youtube.com/watch?v=POJtaO2xB_o
They may not be Bowie knives but they’ll do the trick for fantasy scenes.
Main image rendered with the Outdoor Patio Lights which come free with Daz Studio. You can find them in the Scene Builder -> Starter Essentials folder (no idea why they’re not with the other lights!?).