Extra death, excessive death, too much death, which, of course, there absolutely can be. The TV show I was watching last night had superfluous death. But any death that happens to YOU is too much. You don’t need extra death to have too much death as an individual. Death on top of death isn’t really possible. You really only need one to have too much of it.
But I suppose Claudius feels as though he’s being killed in multiple places. He’s getting the scattershot of the cannon, feeling lots of hits. But he is actually fine. That he can stand there to say this would suggest he’s doing okay.