Quite why you feel you had to use old Quenya and Sindar names instead of the more traditional names used in the LoTRs I dont know. Anyway Gandolf (or Ólorin whatever) could not have used his ring to combat the demon as the Three Rings of the Elves could only be used for lore and knowledge, and gave the wearer
Quote:
|
no power of battle or command over the wills of others, as the elves desired neither of these things
|
Sauron does not know where the rings are without the ruling ring, as it is said that was he to find the One Ring Lórien would be exposed, so while Frodo had the ring Gandolf could use the extra knowledge given by Narya without fear of exposure.