Blue key

The RuneScape Wiki also has an article on: rsw:Key (blue)The Old School RuneScape Wiki also has an article on: osrsw:Key (blue)

Blue key
Released							23 September 2001 (Update)
Members							No
Quest item							Dragon slayer
Properties
Tradeable							No
Equipable							No
Stackable							No
Examine							A painted key
Values
Value							1 coin
High alch							0 coins
Low alch							0 coins
Advanced data
Item ID							393

? (edit)Blue keyFile:Blue key.png23 September 2001 (Update)NoDragon slayerNoNoNo? (edit)? (edit)? (edit)A painted key11 coin0 coins0 coins0Item393393

The Blue key is obtained by killing a zombie found in the southern part of the basement of Melzar's Maze. This key is used to unlock the northern door where Melzar the mad is wandering and muttering insanely to himself.

Item sources

Source	Level	Quantity	Rarity
Zombie	19; 24; 32	1	Always

Changes

Date	Changes
24 January 2002 (Update)	The item became non-tradeable with the introduction of trade restrictions on items.
23 September 2001 (Update)	Added to the game.