Those are the tortured bodies of creatures who's soul has already moved on. Or something like that, see also the Gollum arc.
Tolkien fought in WW1 and it's easy to tell from his writing he was a very sensitive individual. There's not much in LOTR about killing but his notes and the Silmarillion do shed some light on his moral view on the matter of ending a life.
Tolkien fought in WW1 and it's easy to tell from his writing he was a very sensitive individual. There's not much in LOTR about killing but his notes and the Silmarillion do shed some light on his moral view on the matter of ending a life.