"That's a possibility," Conan agrees reluctantly. Allowing for magic in a criminal investigation? No one from home would ever let me hear the end of this. "But unless we can't recover a signficant portion of the body in the tunnels above, I think we can leave it for now. Someone who'd go to the effort of taking that sort of precaution would surely make sure that such a big part of the body was not left behind before the grate here -- and we've no evidence our killer took more than cursory precautions."