Item:Sigil: Frame

Litany of the Dead Part 4 (or Accursed Ascension) is a story arc given out in the Necropolis.

Litany of The Dead Part 4

 * Desecrated Temple of Vol
 * Flesh Maker's Laboratory
 * Inferno of the Damned
 * Ghosts of Perdition

You must gather 8 pieces of the Sigil Frame through these quests to gain access to pre-raid: Litany of the Dead. The numbers are the positions of the piece in Sigil: Frame (left to right).
 * Right Wing (1) drops mostly at Desecrated Temple of Vol.
 * Left Wing (2) drops mostly at Flesh Maker's Laboratory.
 * Right Frame (3) drops mostly at Inferno of the Damned.
 * Left Frame (4) drops mostly at Ghosts of Perdition
 * Left Pincer (5), Center Frame (6), Eye of the Abbot (7) and Right Pincer (8) drop mostly from all four quests. Starting in Update 13, any piece has a chance of dropping anywhere in the Orchard of the Macabre but the highest chances are as listed above.