Buy OSRS Jar of miasma
The Jar of miasma is a rare item from Old School RuneScape. It comes from the Abyssal Sire, a boss with a combat level of 350. To get one, players use an unsired on the Font of Consumption. The unsired is a 1 in 100 drop from the boss. The font gives a jar 13 out of 128 times. That makes the jar about a 1 in 984 drop overall. This rate is still higher than many other jars of its type.
The jar has one main use. Players can put it on a boss lair display in the Achievement Gallery of their house. This creates a display of the Abyssal Sire. You must kill the Abyssal Sire at least once before you can build it.
The jar is a members only item. It is tradeable and noteable, but it cannot be worn and it does not stack. It weighs 0.04 kg. Its examine text says "It smells abysmal." Its item ID is 13277. This jar is a fun pick for players who want to show off a boss kill in their home without grinding for a rare drop.