Old School RuneScape Wiki
Old School RuneScape Wiki

Muddy key detail.png

The muddy key is a key that can be used to open the Muddy chest in the centre of the Lava Maze in the Wilderness. It can be obtained as a drop from Chaos dwarves and the Crazy archaeologist. It is similar to the crystal key.


At current prices, using one muddy key yields a total value of 4,323 coins, a profit of 1,016 coins.

Item Quantity Rarity GE market price
Uncut ruby.png Uncut ruby 1 Always 1,249
Mithril bar.png Mithril bar 1 Always 662
Mithril dagger.png Mithril dagger 1 Always 42
Anchovy pizza.png Anchovy pizza 1 Always 742
Law rune.png Law rune 2 Always 332
Death rune.png Death rune 2 Always 406
Chaos rune.png Chaos rune 10 Always 890

Dropping monsters

Monster Combat level Quantity Rarity
Chaos dwarf 48 1 3; Uncommon (1/64)
Crazy archaeologist 204 1 3; Uncommon