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RSGOALS · RS3
Key (Biohazard)
Signature drop: Key (Biohazard)

Mourner

Mourner is a level 33 members monster found in Kandarin, with 1,200 life points. It is weak to water spells. It is the top source of Key (Biohazard).

“A mourner, or plague healer.”

Level 33MembersAttacks with melee

Updated . Stats and drops from the RuneScape Wiki's monster and drop data (CC BY-NC-SA 3.0), checked 2026-10-09. Wiki page. Item sprites © Jagex.

Combat stats

Combat level
33
Life points
1,200
Combat XP per kill
60
Max hit
96
Armour
368
Attack style
Melee
Weakness
Water
Aggressive
No
Poisonous
No

Slayer

Slayer level
None needed
Assigned by
Not a Slayer task

Where

Kandarin

Ironman notes

  • Weak to water spells: bring that style for faster kills.

Best for

Only from this monster

No other monster drops these.

Drops (1)

ItemQuantityRarity
Key (Biohazard)Only source1Always

Most common first. “Best rate” and “#2/#3 rate” compare expected drops per kill with every other monster that drops the item.