Diablo 4 Season 11: How to Farm the Mythic Prankster Nightmare Sigil

By Ansley Thu Jan 22 2026 09:39:31 GMT+0000 (Coordinated Universal Time)

If you are chasing the Mythic Prankster Nightmare Dungeon Sigil in Season 11, this guide breaks down the most efficient farming loop currently available. This is not a guaranteed method. The sigil is extremely rare. What this loop does is stack the odds in your favor by forcing as many Nightmare Sigil drops and rerolls as the game allows.

What You’re Farming and Why It Matters

The Mythic Prankster Nightmare Dungeon Sigil is special because:

Because the sigil is tied to Nightmare Sigil generation, everything in this guide focuses on:

  1. Forcing large sigil drops
  2. Recycling sigils into Sigil Powder
  3. Crafting and checking as many sigils as possible

Step 1: Stockpile Living Steel (Do This Once)

Before starting the loop, farm around 200–204 Living Steel from Diablo 4 Helltide chests.

Why this matters:

Once you hit this amount, stop doing Helltides.

Step 2: Seasonal Essences (Mandatory Setup)

You must have both seasonal essences at Level 5:

Do not skip leveling these. Their bonuses directly affect:

Correct Essence Slotting

Layer Bosses (Gregoire, Duriel, Andariel, Lord Zir):

Outside World Bosses (World Bosses, Outside Azmodan Event):

This swap is critical. Forgetting it lowers your sigil output.

Step 3: Spend All Living Steel on Gregoire (Torment IV)

Go to Gregoire on Torment IV and spend all Living Steel.

Your goals here:

If Belial appears:

Step 4: Duriel Runs (And the 20-Item Trick)

Move to Duriel.

Important Inventory Rule

If you hold 20 or more of a corrupted Diablo 4 item, that item stops dropping.

Solution:

Belial can also appear here. Kill him every time.

Step 5: Kill Belial When Possible

If you have 2+ Betrayer’s Husks, go kill Belial.

Each kill gives:

Again:

Step 6: Outside Azmodan Event (The Core of the Farm)

Go south of Zarbinzet to the outside Azmodan event.

Before opening chests:

Chests to Open

Why This Event Is So Important

Each chest has roughly a 40% chance to drop huge piles of Nightmare Dungeon Sigils.

Duriel’s chest also drops:

This is what makes the loop infinite.

Step 7: How to Handle Nightmare Sigils Correctly

This part matters more than most players realize.

Never teleport to town while sigils are on the ground.
They will disappear.

Correct method:

  1. Pick up sigils until the inventory is full
  2. Check each one for the Mythic Prankster affix
  3. Move away slightly
  4. Drop them on the ground
  5. Repeat until all sigils are checked
  6. Then teleport to town
  7. Salvage all sigils at the Occultist

You get Sigil Powder, which feeds back into crafting more sigils.

Step 8: Continue the Boss Loop

Using materials from Azmodan chests:

  1. Lord Zir
    • Spend Exquisite Blood
    • Farm Pincushioned Dolls
  2. Andariel
    • Spend Dolls
    • Farm Corrupted Claws of Andariel
    • Leave them on the ground until finished
  3. Return to Gregoire
  4. Then Duriel
  5. Then Belial, if possible
  6. Back to Outside Azmodan

The loop feeds itself indefinitely.

Step 9: Crafting Sigils for Extra Chances

Once you have enough Sigil Powder:

This gives you additional rolls at the Mythic Prankster sigil without relying on boss drops.

Step 10: World Boss Bonus

World Bosses are excellent sigil sources.

When doing them:

They are not farmable on demand, but every kill is worth doing while chasing this sigil.

Final Notes and Expectations