Cavern of the Wurm Guide
(with Morse Code Puzzle)

Let’s take a look at the quest called “Cavern of the Wurm” in Caterwaul Canyons! It’s an instance with two mob fights and a cheating boss. However, you will have to solve a morse code puzzle to get the boss to appear! This morse code puzzle is confusing wizards all over the Spiral, so it’s time to shine a light on how it works! We’ll look at the whole instance of course.

caterwaul canyons melanj dungeon morse code
Location of the Cavern of the Wurm


The First Battle

Once you enter the instance, you need to defeat a Wurmling (Fire, 2,300 HP) and a Wurmling Guardian (Life, 2,435 HP). These are just normal mobs without cheats.


Before you move on to the next room, you should look at the wall. There’s a morse code written on it that you will need for the puzzle that’s coming.


The Morse Code Puzzle

It’s important that you don’t mess up this puzzle. If you do, you will have to battle a round of Myth school Sand Wurm Larvae (3,500 HP). In fact, this mob will spawn every time you make a mistake in the puzzle, so you better get it right or you’re stuck in there forever.

In this room, there are six pillars with a morse code sign written at the base of each. You should interact with the pillars in the order of the morse code found on the wall in the previous room.

Here’s the written version of the solution (interact with the pillars in the following order):

  1. two lines
  2. one dot
  3. one dot, one line and two dots
  4. one dot and one line
  5. one line and one dot
  6. one dot and three lines

Additionally, for the more visual learners among you, here’s an image where you can see the order of the pillars:

morse code mirage caterwaul canyons


The Boss

Finally, completing the puzzle will make the boss spawn. He’s called Melanj and only has 10,360 hp. However, he has several cheats to pay attention to.

melanj boss mirage cheat morse code puzzle

To start with, he will cast a -75% healing doom and gloom. If you try to replace this bubble, he will interrupt and recast it.

melanj boss mirage cheat morse code puzzle

When you blade, Melanj will interrupt with an attack that steals all your blades and leaves a -30% weakness on you. He will attack the person casting the blade, not the person receiving it, so it’s perfectly safe to blade your hitter, but the hitter shouldn’t blade themselves.

mirage melanj cheat boss

When you cast a feint, Melanj won’t remove it, but he will interrupt to cast a plague that leaves a -45% weakness on every player. So if you plan on feinting, make sure you carry cleanse to get rid of your hitter’s weaknesses.

Brand GhostSpear from the comments informed us of a cycle round cheat! Melanj says “spice strike”, and then casts the new Balance spell Sand Worm. Brand recommends balance dispels for this cheat.


So with these things in mind, I believe you won’t have any trouble with this battle:

  1. Don’t blade yourself.
  2. Don’t feint if you can’t cleanse the weakness.
  3. Don’t bother with bubbles.


Have fun! 🙂

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While misthead has written all kinds of guides, the most popular by far are her "main quest line" guides. She does have all kinds of articles under her belt, from a grandmaster Myth PvP guide to research about which wand stitches are the most popular.


  • Out of curiosity, I translated the morse code. It’s just “MELANJ”. Really clever, Kingsisle.

  • Poison triggers the cheat that feint does, it now triggers sandworm. Curse also doesn’t work at all, triggers the same as a feint.

  • New update:
    The puzzle is the same.
    The myth boys before the boss isn’t here any more.
    Regular feints are fine now.

    • Regular feints still cause the cheat

  • i think they changed the order of the drums however the morsecode is still the same

  • Hey just to let anyone know who is reading this, the Melanaj fight is now a forced duel even if you enter the morse code order correct. She has 10,360 HP now, and all the cheats are the same as the ones on this page.

    • The Melanj fight is required for the main storyline. The Morse code is a puzzle to summon her, not to avoid her. In terms of the storyline, you need to take on the wurm to help Pol Atraydes with his claim to the throne. The health is something we will take a look at.
      Many thanks!

  • mass feint is fine btw

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