|Moon Butterfly Set|
The Moon Butterfly Wings, Cuffs and Skirt can be bought from Maughlin the Armorer in NG+ (whilst the Hat can be purchased in NG++ and beyond) after spending 15,000 souls at his shop. However, the set can be purchased before entering NG+ through use of two Bonfire Ascetics. The set costs 45,000 souls in total.
The Moon Butterfly Set is unique in that its the only set of armor that emit a Poison aura, which causes poison buildup to enemies and NPCs when they are close by. The Poison buildup is not constant, rather it emits Poison in waves every few seconds. Each armor piece has its own Poison buildup value, thus wearing multiple pieces will increase the strength of the Poison buildup. In addition to the poison aura, the wings and skirt will both increase jumping distance and reduce falling damage, and can be paired with the Silvercat Ring. It also allows the player to jump without sprinting.
It should be noted that virtually any mob that is susceptible to poison, including friendly NPCs, will gain poison build-up while any piece of this set is worn. This can cause them to become hostile after a period of time, and removing the armor as a precaution is advised when approaching merchants and the like.
Upgrades with Twinkling Titanite.