Deploy the space harpoon

Watch out, starwhales. There’s a new weapon for the interstellar dwellers whom you threaten with your planet-crushing gigaflippers, undergoing testing as we speak. This small-scale version may only be good for removing dangerous orbital debris, but in time it will pierce your hypercarbon hides and irredeemable sun-hearts.
Literally a space harpoon. (Credit: Airbus)
However, it would be irresponsible of me to speculate beyond what is possible today with the technology, so let a summary of t