He’s constantly dying. Why on earth so many casting directors choose him as the ideal actor to portray either the bad guy who gets his comeuppance (Goldeneye) or the goodish guy who’s not quite good enough to make it to the end credits (Lord of the Rings), I am not quite sure. But whatever: he sure does seem to die a lot. Check this video out (but be warned: it contains a lot of violence, plus serious spoilers for many movies featuring Sean Bean!).