but from the capture of turin to the death of beleg the old tale was scarcely changed afterwards in any really important respect , though altered in many details : such as beleg 's shooting of the wolf-sentinels silently in the darkness in the later story , and the flash of lightning that illuminated beleg 's face -- but the blue-shining lamps of the noldor appear again in much later writings : one was borne by the elves gelmir and arminas who guided tuor through the gate of the noldor on his journey to the sea ( see unfinished tales pp .