Halls of Metos (Tufa)

NPCs

 * Golem Constructor
 * Golem Warden of Metos
 * Sigil Keeper

Items and Objects

 * - on altar in the final Obsidian Golems Room
 * - locked and unlocked, see map
 * - only in the Halls of Metos near Tufa, changes into a NPC when given the three Metos Pyreal Motes

Portals

 * Surface - near drop and at the end, see map

Images
Click image for full size version.