I've got quite a few that have never seen an animal. Mostly el cheapos that I got for free like Eastman Sabre Titaniums and Eastman Stillettos.

I've shot them into targets and they worked okay but I'm just reluctant to take them into the field.

I've also got a 2 Spitfires and some Rocket hammerheads that i've never killed anything with and I may never.