Is it normal that i enjoy the thought of harming people?

Small disclaimer here: I don’t have any real intention of hurting anyone, these are just thoughts.
Sometimes I have the thought of stabbing or otherwise hurting or killing or even torturing somebody. This isn’t anyone in particular, just anybody. The idea gives me a rush similar to the tug in your gut you get when you’re falling on a rollercoaster, but better and not necessarily negative. I don’t want to describe it in detail unless I’m asked.
I have no idea if any of this is necessarily sexual. I’m not sure if I would be into BDSM, and a lot of these fantasies involve a lack of consent (as in I’m not gonna ask someone before I punch them, y’know?). Moreover the thought of hurting animals doesn’t appeal to me, but sometimes I get a rush from killing insects. I don’t know man.
Has anyone else experienced something similar? Could this be a sexual thing? Is this even remotely normal? Lemme know. Thanks!