Biohazard/Quick guide

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Instruction manual.png
This quick guide has an in-depth guide here.
It contains a more detailed description of dialogue, cutscenes, and storyline.

Details[edit | edit source]

Walkthrough[edit | edit source]

Sneaking back[edit | edit source]

  • To begin speak to Elena in East Ardougne (directly west of shortcut log). (Chat 1)
  • Cross the river using the bridge just east of the castle or using the log balance (requires 33 Agility) and speak to Jerico in the house south of the northern Ardougne bank.
  • Search cupboard for bird feed.
  • Grab a pigeon cage from the backyard (note: if you are planning on doing One Small Favour, grab an extra 4 pigeon cages).
  • Speak to Omart (outside the south-west corner of East Ardougne).
  • Go north to the small watchtower along the wall, in front of the gates to West Ardougne.
  • Stand in the corner where the two spiked fences meet.
  • Use bird feed on the watchtower fence.
  • Click the pigeon cage in your inventory.
  • Run south from the watchtower and speak to Omart. (Chat 1) after a slight delay. You will arrive in West Ardougne.

Infiltrating the Mourner Headquarters[edit | edit source]

Items required: None Recommended: Skills necklace(6) (teleport to Fishing Guild) OR Ardougne teleport to quickly return to Elena.

Mourner HQ is due north-east of West Ardougne.
  • Head around the headquarters to the northern area with the vat.
  • Squeeze through the fence into the backyard.
  • Pick up the rotten apple.
  • Use the rotten apple on the cauldron. DO NOT EAT IT!
  • Go back through the fence.
Nurse Sarah's house.
  • Go to Nurse Sarah's house, south-west of the West Ardougne church.
  • Search cupboard in northern part of the house for a doctors' gown.
  • Equip the doctors' gown, go back to the headquarters and open the door.
  • Go upstairs and kill a mourner. A key will automatically be placed in your inventory.
  • Use the key on the gate to get into the caged room.
  • Search the crates to find Elena's distillator (north-eastern single crate).
  • Go to Elena (via Skills necklace teleport to Fishing Guild or go back and speak to Kilron or via the sewers from Plague City quest) and give her the distillator.
  • Bank the 4 samples Elena gives you.
    • Note: Teleporting with samples will break them, so make sure you bank them before you teleport! This includes teleportation via a random event.

(only plague sample will be destroyed when teleporting)

Getting the touch paper[edit | edit source]

Items required: Falador Teleport or amulet of glory (optional)

  • Teleport to Draynor Village/Falador.
    • Note: Ultimate Ironmen can travel southeast and travel to Brimhaven, and from there charter ship to Port Sarim.
  • Withdraw the samples!
The chemist's location.
  • Go to the Chemist in south-western Rimmington (using the Rimmington Teleport to House will destroy the plague sample!).
  • Speak to the Chemist (Chat 222)
    • Note: Choose carefully as the wrong choice will destroy the plague sample!

He will give you the touch paper.

Foresight[edit | edit source]

Items required: Liquid honey, etheneasulphuric broline, and the plague sample.

  • You will find Chancy, Da Vinci and Hops around a fire outside the Chemist's house.
  • Give Chancy the Liquid honey.png: Inventory image of Liquid honey Liquid honey. (Chat 2)
  • Give Da Vinci the Ethenea.png: Inventory image of Ethenea Ethenea. (Chat 1)
  • Give Hops the Sulphuric broline.png: Inventory image of Sulphuric broline Sulphuric broline. (Chat 3)

So far, so good[edit | edit source]

Items required: 12 coins or a priest gown top and bottom, the plague sample and touch paper.

  • Deposit Plague sample (bank deposit box at the northern parts of the docks in Port Sarim by the Monks of Entrana).
  • Teleport to Varrock (or Cooks' Guild).
  • Withdraw the plague sample from the Varrock east bank.
  • Travel to the fenced area to the south-east of the bank (south-eastern Varrock). The guard will search you, but you will be able to pass freely with the plague sample and touch paper in your inventory.
  • Purchase a priest gown (top and bottom) from the Fancy dress shop owner in the building southeast.
  • Equip the Priest gown.
  • Go to the Dancing Donkey Inn.
  • Talk to Hops, Da Vinci and Chancy to get the vials back. Make sure you have the free inventory space.
    • DO NOT pass back through the gate or your vials will be confiscated but note your plague sample will not be! (if you do for some reason get the samples confiscated, you will have to go all the way back to Elena to get more samples and do the rest from that point all over again)
    • If you must pass through the gate to retrieve the plague sample or papers, you can drop the vials at the gate, quickly run to Varrock east bank for the items, and run back to pick up the vials.

Secrets[edit | edit source]

Items required: The plague sample, touch paper, a priest gown, and an Ardougne teleport (51+ Magic suggested).

  • With your Priest gown equipped head to Guidor's house in the south-east of the fenced area.
  • Speak to Guidor, tell him Elena has sent a sample that needs to be processed. (Chat 121)
  • Return to Ardougne and speak to Elena.
  • Go to the 1st floor[UK]2nd floor[US] of Ardougne Castle and speak to King Lathas. (Chat 1)

Congratulations! Quest complete!

Rewards[edit | edit source]

Biohazard reward scroll.png