Stygian Veil

General Information
Area Name: Stygian Veil (marked as The Stygian Veil on the map)

Region: Realm of Torment

Outposts & Cities

 * Gate of Anguish

NPCs

 * Adept of Whispers

Monsters
Demons
 * Shadow Army
 * 28 Abyssal
 * 28 Claw of Darkness
 * 28 Wind of Darkness
 * 28 Scourge of Darkness
 * 28 Curse of Darkness
 * 28 Thought of Darkness
 * 28 Chill of Darkness
 * Stygians
 * 28 Stygian Brute
 * 28 Stygian Horror
 * 28 Stygian Fiend
 * 30 Stygian Lord (only during Brood Wars, possibly a boss)
 * 28 Stygian Hunger
 * 30 Stygian Lord (only during Brood Wars, possibly a boss)
 * 28 Stygian Golem

Trivia
"Stygian" is a latin adjective derived from Greek "Styx", which is the name of the river that forms the boundary around the Underworld of Greek mythology, Hades.