A stun beam won't kill them.
"You think that beam could kill?"
Then, though, there is the risk that the beam itself will interfere with and possibly kill the organism under study.
If successful, the boss' beam will eventually dissipate and the player's beam will multiply in size (as well as in power) and severely damage, if not kill, the boss.
He started getting circumspect when an eight-foot beam tumbled off a 57-story condominium under construction at Eighth Avenue and 57th Street in 1987 and killed a man.
The beam had not killed it.
If it hadn't been for the protective mesh buried in your clothing, the beam of that laser would have killed you.
A proton therapy machine uses a beam of protons to kill the tumour and a cyclotron is used to generate the beam.
If you try to fly off, my beam will kill you.
Without warning a phaser beam flicked out of a building and killed a man.