User blog comment:NovaTopaz/Weapons of navies/@comment-22011788-20140604140210/@comment-22011788-20140604224559

The black hole bomb is going to go away because it is going to be considered god modding, unrealistic, etc.

Solar ray cannon works fine, but solar energy diminishes very quickly with distance so it's only practical near a star.

IGBMs will be several kilometers long if you want enough fuel to go across a galaxy.