Appearance history
The rarity of Sigil of Echoes is Uncommon. At this moment the item is available for trade.
Skin Features
Sigil of Echoes is a skin for Vengeful Spirit. The skin was added to the game on May 29, 2015, it was created by motenai.
Skin popularity
Sigil of Echoes has been recently added to the game, which makes it rather popular with the game community.