Feast of Corruption

Acquisition
Signet of Capture:
 * Prophecies
 * Maw the Mountain Heart (Dreadnought's Drift, Grenth's Footprint, Snake Dance, Spearhead Peak, or Talus Chute -- only consistently appears in Dreadnought's Drift)
 * Eye of the North
 * Fendi Nin during the Lost Souls quest, (from Crewmember Shandra in Arbor Bay) in the Shards of Orr (third floor).

Related articles

 * Life steal skills quick reference