i don't ever remember seeing his skeleton light up and i'm sure that was never in the orig release
it's not his suit being damaged that kills him it's the fact that he has turned back to the good side and the dark side of the force is keeping him alive.. that's the whole point of the films that in the end he gets redeemed even though he will die
will be a bit of a waste of 6 films if at the end it's just his suit getting damaged that kills him
