Butterfly Knife | Stained was added to the game on July 1, 2014, alongside the start of Operation Breakout. The skin is available in the Operation Breakout Weapon Case.
The blade of the knife is treated with acid to obtain gray and light yellow stains of patina. The handle is unpainted and complemented with inserts made of stained steel.
Float Value of Butterfly Knife | Stained is unlimited, which makes the skin available in all conditions. Scratches and abrasions do not appear on the body of the knife. At levels of wear close to the maximum, the layer of patina becomes significantly darker.
The pattern index affects the overlay of the skin texture. Special or rare variations of the pattern are absent.
The quality of Butterfly Knife | Stained is Covert. The skin has a StatTrak option and belongs to the "Stained" series.
Butterfly Knife | Stained is quite popular and is often seen in the game due to a relatively low price.