It’s hard to say, but there will be retribution, and it’s not just killing cats, killing any animal intentionally will have this effect.
Human beings and animals are the same, they all have spiritual energy. If there is no reason, you will kill the cat. , when you kill the cat, watching the cat struggling to death and looking at you with wide eyes will take root in your mind. As soon as you see the cat, you will remember how you killed him? Because he is also a life, just like you.