A Clockwork Syringe

Attempt to enter again and choose the "A Clockwork Syringe" option from your portal. Ensure your portal is the default portal and that there is plenty of space around otherwise the chest will not spawn.

Read the delivery note.(If Pete doesn't appear check your bank for the note)

Attempt to enter your house again and select the "A Clockwork Syringe" option once more.

Investigate the large crate.

Kill the level 98 Barrelchest Mk II.

For more information on how to defeat Barrelchest Mk II click here.

Talk to the estate agent.

Interrogate the zombie head.

Torture the head using all five options.

Interrogate the head once more when it reaches maximum stress.

With the zombie head, talk to Bill Teach on Mos Le'Harmless, either in the Other Inn or on The Adventurous ship.

Head to the docks of Port Phasmatys, cross the gangplank on the easternmost ship, right-click travel via Bill Teach to travel to Mos Le'Harmless.

Alternatively, charter a ship directly to Mos Le'Harmless from Port Sarim.

You can also use fairy ring if you have repaired the bridge there and partial completion of A Fairy Tale III - Battle at Ork's Rift.

Walk north to Harpoon Joe's House of 'Rum'.

Sit in the chair in the north-east corner and ask Joe for a "Long Drop".

Talk to Bill.

Place-evidence on table nearby to set the zombie head on top.

Talk to Bill again.

Climb-up the ladder.

Select-spell with the pirate spell sheet in your backpack to travel to Braindeath Island.

The spell can only be used on the ground floor of Mos Le'Harmless.

Go directly west and talk to Captain Braindeath.

Optional: get a diving apparatus and a fishbowl helmet from him, if you don't already have them.

Go to the Braindeath Island 'Rum'-geon entrance:

Optional: If you have it, activate the Dungeoneering cape to travel directly there, skipping these steps.

Climb-down the wooden stair to the west.

Head north past 50% Luke and open the gate.

Head north across the two bridges to the mysterious entrance.

Equip your diving apparatus and fishbowl helmet.

Enter the mysterious entrance.

Optional: kill a crab in order to complete the hard Daemonheim achievement Alcrabholic.

Go down all three paths and search the dead brewers to discover their names.

Return to Captain Braindeath and receive the Twiblick night special.

Teleport back to Mos Le'Harmless with the pirate spell sheet.

Return to the basement in Joe's pub.

Talk to Bill and receive the unlocked Twiblick night special.

Open the box.

Talk to Bill again.

Select any of the remaining chat options to give the zombie head a makeover.

Talk to Bill again.

Return south to Bill's ship, cross the gangplank, talk to him, and use the "A Clockwork Syringe" option to begin your travel.

Talk to Bill.

Climb-down two ladders to the hold of the ship (lowest level).

Open and search the gun locker.

Open and search the repair locker.

Take 3 gunpowder from the powder barrel.

Take a barrel from the barrel stack.

Use the gunpowder on the chain.

Use the anvil to smith the heated chain and cannonball together.

Use your cannonball and chain on the barrel to receive a cannonball barrel-boat.

Go back up the ladder to the main deck. On the eastern cannon, choose 'Take-The-Ride' option to go to Bloodsplatter Isle.

Investigate the Perch Rock. You must steer him around while dropping cannonballs on the Barrelchests.

Leave the Isle by diving at the pier and swim.

Climb the ladder and talk to Bill on his ship, request to go to Bloodsplatter Isle.

Walk in to the middle of the factory building in order to get caught.

Escape your cell and collect the following items directly north of the cell:

Surgical mask.

Roll of bandage.

Barrelchest parts (abscond with shelf).

Barrel from the stack.

Return to Bill by using the signalling point at the end of the dock where you arrived.

Get the Barrelchest disguise from Bill.

Talk to Bill again and have him send you back to the island.

Enter the the factory and take 3 barrels from the stack and 3 gunpowder from the barrel - where you picked up the supplies for the Barrelchest disguise.

Change into the Barrelchest disguise. Must be 3x3 clear around your character.

Letter One: Go to the south-west room, sabotage the southern gas canister. 'Tell-joke' to each of the Dis-orderly and then brutalise each of them. Investigate the noticeboard.

Letter Two: Kill each of Grimterns in the western-most room. Investigate the noticeboard after killing them.

Letter Three: Talk to one of the drunk zombies lying on the beds in the north-west room, then investigate the noticeboard.

Letter Four: Loosen each of the three undead arms in the north-east room, then inspect one of the arms, finally investigate the noticeboard.

Letter Five: This step requires at least 300 life points. Use the three gunpowder on the barrels in your backpack. Then in the south-eastern room, finish-building on each of the three incomplete barrelchest stations, then detonate one of them to destroy all three. Finally, investigate the noticeboard.

Change out of the barrelchest disguise from your backpack. Changing in the middle of the factory gets you caught.

Return back to Bill by signalling him from the dock to the south.

Talk to Bill onboard his ship and show him the evidence files.

Return to Bloodsplatter Isle.

The barrelchest disguise is no longer required.

Head back into the factory and enter the easternmost room.

Pull the lever to activate the three conveyor belts.

Left-click the conveyor belts to load Bundle o' kegs onto them.

Continue loading the conveyor belts until each of the conveyor belts explode.

You can safely ignore the zombies that make it to you; killing them does nothing and they automatically die when all three belts explode.

Jump over the destroyed wall between the conveyor lines, and head east through the door opening to the docks.

Climb-down the ladder at the end of the dock.

Board the unoccupied zomboat and sink all the boats.

Fire cannonballs at the boats either by left-clicking on them, or using the minigame menu.

Don't forget to repair your boat when it gets to about 25% health - it is not instant and you can only repair while your boat is at a stand still.

After you sink all of the other boats, climb up the east ladder and talk to Bill on his ship.

Head back to the basement in Joe's pub.

Talk to Bill to finish the quest.

Quest complete!