The Assembly of Echoes

 is a location in.

Points of interest

 * Apathy Resonator, aka. the Memory Hoarder's Organ.

Characters

 * Fyonlecg, an archmage of Eora.
 * Memory Hoarder.

Loot

 * Heldr's Horn: Found on the corpse lying beside the stone slab with the Eye symbol on it.
 * The Left Hand of the Obscured: Looted from the Memory Hoarder.
 * Egg: Inside the Mouth Organ. When you return to the Temple of Revelation it hatches to Retina.