Old School RuneScape Wiki
Old School RuneScape Wiki

The sinister key is used to open the sinister chest in the Yanille Agility dungeon. The Sinister chest contains nine noted grimy herbs: 2 Harralander, 3 Ranarr, 1 Irit, 1 Avantoe, 1 Kwuarm, and 1 Torstol. The sinister key is dropped by Salarin the twisted and the Chaos Fanatic and can also be looted from a Magpie impling.

The value of the sinister key is linked to the value of the herbs contained in the sinister chest. Buying a key and opening the chest will profit you 2,248

Dropping monsters

Monster Combat level Quantity Rarity
Salarin the twisted 70 1 3; Uncommon
Chaos Fanatic 202 1 3; Uncommon
Magpie impling N/A (Hunter) 1 4; Rare