Glob of Ectoplasm

General
Globs of Ectoplasm, often referred to as Ecto, are very rare crafting materials.

Usage
Globs of Ectoplasm are mainly used to craft Obsidian Armor:
 * Warrior Obsidian armor
 * Ranger Obsidian armor
 * Monk Obsidian armor
 * Necromancer Obsidian armor
 * Mesmer Obsidian armor
 * Elementalist Obsidian armor
 * Assassin Obsidian armor
 * Ritualist Obsidian armor
 * Paragon Obsidian armor
 * Dervish Obsidian armor

Crafting Obsidian Armor is done by the Eternal Forgemaster, who is in the Fissure of Woe.

Their high value also makes them useful as currency, especially for trades of more than 100 platinum.

What drops it
Globs of Ectoplasm are dropped by the following monsters:
 * In the Underworld:
 * Banished Dream Rider
 * Bladed Aatxe
 * Charged Blackness
 * Dead Collector
 * Dead Thresher
 * Keeper of Souls
 * Mindblade Spectre
 * Smite Crawler
 * Terrorweb Dryder
 * Wailing Lord
 * In the Ruins of the Tomb of the Primeval Kings:
 * Banished Dream Rider
 * Terrorweb Dryder
 * In the Fissure of Woe:
 * Banshee
 * In the Maguuma Jungle:
 * Ravager (Extremely rare, killing them in order to get Ecto is not worth the time).

Where to buy it
You can buy Globs of Ectoplasm from Rare Material Trader, or from players who farm The Underworld, usually found at the Temple of the Ages or in the big cities.

What salvages into it
So far, only Obsidian Armor may turn into Globs of Ectoplasm when you salvage it.