The Hellfire region in Far Far West hides a puzzle built around a ring named The Precious, a clear nod to a certain fantasy saga. Solving it means pulling the ring out of a trap-filled dungeon, hauling it across the map, and destroying it inside the volcano. Do all three and you earn a fresh Joker.
Quick answer: Grab the One Ring from the dungeon in the far northern (top-right) part of Hellfire, carry it to the volcano with two sticks of dynamite, blast open both walls, climb to the top, and throw the ring into the lava to unlock the secret Joker.

Unlock Hellfire first
Hellfire is the lava-filled map added in the Frostburn update, and you cannot reach its secret until the region itself is open. To unlock it, finish the Jungle questline, which sends you through three underground dungeons to collect the ancient scrolls. Once that questline is done, Hellfire becomes available on the World Map.
Bringing plenty of firepower helps, since the volcano route is guarded by enemies. Running this in a co-op lobby with one to four players makes the ring-carrying section far easier to manage.
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What carrying the ring does
Holding the ring changes the screen to a disorienting black-and-white effect, which makes movement harder to read. The ring does not make you invisible or invincible, so enemies can still hit you the whole way to the volcano.
Note: If you drop the ring, it lands on the ground labeled “The Precious,” so it is easy to find and pick back up.
Carry the ring to the volcano and blow the walls
The ring can only be destroyed at the volcano, so that is your next destination. Bring two sticks of dynamite before you start climbing, because the path is blocked by two separate walls.

Destroy the ring and unlock the Joker
Inside the volcano, toss The Precious into the lava. That single action destroys the ring and completes the Hellfire secret. You will know it worked when the new Joker unlocks as your reward for finishing the puzzle.
If the secret fails to trigger, the usual causes are dropping the ring and never picking it back up, or reaching the second wall without a second charge of dynamite. Grab another stick from the box on the right-hand path and finish the climb to complete it.






