Get an egg hatch it and let it grow. When full grown then paint it black and name it toothless. transfer to another server and only kill people at night with invisibilitie on . For lightning like projectiles get the tech saddle and shoot people with that.
I RAN through the cavern with like.... 5 high level eggs on me and the way it looked with me running on the bottom of the cavern and all of these chasing me it was Indiana Jones but instead of a rolling ball it’s giant murder lizards