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]

Quest: ???

Getting started[edit | edit source]

Sneaking back[edit | edit source]

  • Talk to Jerico in the house south of the northern Ardougne bank.
  • Open then search the cupboard for bird feed.
  • Grab a pigeon cage from the backyard
    • (optional) If you are planning on doing One Small Favour, grab an extra 4 pigeon cages.
  • Talk to Omart outside the south-east corner of West 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.
  • Open the pigeon cage in your inventory.
  • Return to Omart. (Chat 1)

Infiltrating the Mourner Headquarters[edit | edit source]

Items required: Gas mask Recommended: Skills necklace(6) (teleport to Fishing Guild) OR Ardougne teleport to quickly return to Elena, 30 coins.

  • Go north to the headquarters, the building with a fence.
  • Pick up the rotten apple to the west of the fence.
  • Squeeze-through the fence into the backyard.
  • Use the rotten apple on the cauldron. DO NOT EAT IT!
  • Go back through the fence.
  • Go to Nurse Sarah's house, the south-western-most house, south-west of the 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).
  • Talk to Elena. (Use the sewer, climb the mud pile, and head east)
  • Head to Captain Barnaby in south-east Ardougne and take a boat to Rimmington (30 coins).
  • 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]

  • Talk to the Chemist in south-western Rimmington. Using ANY teleports will destroy the plague sample!
    • Note: Choose carefully as the wrong choice will destroy the plague sample!

Foresight[edit | edit source]

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

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).
  • Go to Varrock's east bank and withdraw the plague sample.
    • (optional) Use a Varrock teleport method. (see above)
  • 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.
  • Equip the Priest gown and go to the Dancing Donkey Inn.
  • Talk to Hops, Da Vinci, and Chancy to get the vials back. Make sure you have 3 free inventory spaces.
    • 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.

  • 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. (You can now use teleports freely again)
  • 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