He gets his second scar when he's just been captured. His CĂȘpan was already dead, torture after torture, pain after pain, inflicted upon him by his captors.
He thinks that this is just another trick of theirs at first - that they've injected him with something that causes the hallucinations and the pain. That maybe this isn't really real - that it's just in his head - because right now he can't handle this.
But no, this pain is very real, the pain of this cell and it's loneliness, the pain of every one of their dead people, the pain of his now dead family.
