Biohazard
Biohazard continues the storyline after the Plague City quest. The plot deepens as Elena finally gets a chance to process her plague samples. Buried under these samples lies a well-hidden secret.
Details
| Start point | |
|---|---|
| Difficulty | Novice |
| Length | Short |
| Requirements |
|
| Items required |
|
| Recommended | |
| Enemies to defeat |
|
Walkthrough
Sneaking back
Items required: Gas mask

- To begin talk to Elena in East Ardougne.
- Talk to Jerico in the house just south of the northern Ardougne bank to retrieve Elena's distillator.
- Talk to Omart just south-west of Ardougne Castle.
- Go back to Jerico and inform him about the guards.
- Talk to Omart again, afterwards climb over the wall and equip your Gas mask.
Infiltrating the Mourner Headquarters
Items required: None
- Investigate the headquarters in West Ardougne.
Rewards

- 3
Quest points
100,000 Thieving experience
3 Muddy keys