The rarity of Incandescent Liturgy is Rare, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Incandescent Liturgy is a skin for Doom. The skin was added to the game on March 17, 2015, it was created by ChiZ.
Incandescent Liturgy has been recently added to the game, which makes it rather popular with the game community.