Smoldering Timewarped Ember

The Smoldering Timewarped Ember drops by, or is looted from, the following in Timewalking difficulty:
 * Asaad in the Vortex Pinnacle
 * Erudax in Grim Batol
 * High Priestess Azil in the Stonecore
 * Siamat in Lost City of the Tol'vir
 * Neptulon's Cache in Throne of the Tides
 * Murozond's Temporal Cache in End Time

As a quest objective
This item starts