Land of the Goblins

Talk to Grubfoot in the Dorgeshuun Mines, right outside the main entrance to Dorgesh-Kaan. Dialogue: Yes

Enter Dorgesh-Kaan and head north-west to Oldak's laboratory.

Talk to Zanik in the laboratory. Dialogue: So why have you come to talk to Zanik? → What was this new dream? → Any → I'm ready.

Head north-west to the temple entrance stairs blocked by two goblin guards.

Pick a black mushroom if you don't already have black dye.

Talk to the guards for Zanik to pass.

Head over and talk to the Makeover Mage south-west of Falador using a skills necklace to the crafting guild or a Falador teleport. Dialogue: Can you turn me into a goblin? → I need to slip past some goblin guards. → Can you turn me into a goblin or not?

Pick the pharmakos bush outside the building and use the berries on an unfinished toadflax potion to create a goblin potion.

Return to the Goblin Cave located nearby the Fishing Guild by any means, most commonly a skills necklace to the fishing guild.

In front of the goblin guards, drink the goblin potion (pick any goblin appearance).

Create a black dye if needed, by using a pestle and mortar on a black mushroom with a vial in inventory.

Pick a black mushroom by the entrance if you don't already have black dye.

Climb down the entrance. Dialogue: Me want get into temple. → Yes, me [goblin name].

Use black dye on your goblin mail and wear it. Search the crates in the main temple room for a free goblin mail.

Enter the north-eastern room.

Search the crate in the room for a Dorgesh-kaan sphere to free Zanik.

Talk to Zanik in the prison cell with a Dorgesh-kaan sphere in inventory.

Head back to the main room, and talk to High Priest Bighead in the northern part of the temple and take the test. Dialogue: I understand Big High War God. → True. → Big High War God commands it. → False. → Goblins not mighty warriors before he chose us. → False. → That one of the commandments. → Lead goblins to victory over whole world. → Me want to know about Yu'biusk. → Where is Yu'biusk? → Can I talk to old high priests?

Re-enter the north-eastern room where the goblins are wearing black goblin-mail and pickpocket the priest for his Huzamogaarb key.

Leave the cave; you can equip a piece of equipment to be thrown out of the cave, then you can teleport.

Talk to Aggie in Draynor Village. Dialogue: Can you make dyes for me please? → Can you make black or white dye?

Acquire a raw slimy eel and head to the Fishing Contest area in Hemenster with a fishing rod.

Click the gate. Dialogue: I need to catch a Hemenster Whitefish.

Catch a whitefish.

Return to Aggie to receive a white goblin mail. Dialogue: Can you make dyes for me please? → Could you remove the dye from this goblin mail?

Prepare dyes and return to the Goblin Temple wearing the white goblin mail. Do not teleport out of the temple if your inventory is full or you will lose your goblin mail.

Steal the Saragorgak key from the priest in the western room of the temple.

Remove the goblin mail to leave the room quicker.

Repeat the operation of stealing keys and dying your mail in the following order:

Yellow (north-west)

Purple (south-west)

Orange (south-east)

Blue (east)

Before you leave, unlock the crypt with the six keys to give you more inventory space.

Prepare for a fight

Enter the crypt (large door north of the temple).

Use the "Say-name" option on each of the graves. After defeating them, talk to them.

South-west: Snothead Dialogue: What was your predecessor's name?

South-east: Snailfeet Dialogue: What was your predecessor's name?

North-west: Mosschin Dialogue: What was your predecessor's name?

North-east: Redeyes Dialogue: What was your predecessor's name?

North: Strongbones (ignore the skoblins and use Protect from Magic) Dialogue: Where is Yu'biusk?

Ensure you ask Strongbones where Yu'biusk is before leaving.

Return to Dorgesh-Kaan and speak to Zanik in Oldak's laboratory.

With a light source, go to Oldak in Dorgesh-Kaan South Dungeon located beneath the agility course which is in the south end of Dorgesh-Kaan.

Option 1: If the player has access to fairy rings, use the code AJQ.

Option 2: Use a Dorgesh-kaan sphere and go south into the agility course, and go down the ladder. Follow the path east in the dungeon.

Option 3: Run south to the south end of Dorgesh-Kaan to the agility course, and go down the ladder. Follow the path east in the dungeon.

Speak to Oldak.

Click on the machines next to Oldak; use the combination 9-4-1 to activate the machine.

Open the strange box in the north-western part of Yu'biusk for a cutscene.

Congratulations, quest complete!