Why could Isildur retain the ring? (from a "legal" point of view)
39146
Why didn't Elrond or Círdan take the ring from Isildur by force and destroy it?
147022
Why does Sauron (in the movieverse) attack Erebor instead of, say Gondor or the Woodland Realm?
111104
Ring theory notation question
48582
Is there a limit to the number of magic rings a character can wear on one hand?
75107
Why were there 3-7-9 Rings of Power?
54151
How does the Commander interact with Banishing Light or Oblivion Ring?
146507
What were the other Rings of Power in LOTR made of?
106894
If a subring of a ring R has identity, does R also have the identity?
17059
A ring element with a left inverse but no right inverse?
46843
A ring without the Invariant Basis Number property
70610
Why is ring addition commutative?
51036
Is Gandalf the Gray's power actually limited or did he merely promise to not use it?
70553
Why was the One Ring such a problem?
127703
What was Gandalf's plan for getting the Ring to Mt. Doom?
8190
What is the point of Sauron making the One Ring?
29600
What is true for a ring with exactly two right ideals
45688
Why did Sméagol turn into a 'creature' when addicted to the ring, but not Bilbo Baggins?