The rarity of Edge of the Final Utterance is Rare. At this moment the item is available for trade.
Edge of the Final Utterance is a skin for Silencer. The skin was added to the game on March 17, 2015, it was created by DotaFX.
Edge of the Final Utterance is currently one of the most popular skins, but it is rarely seen in the game due to its high price.