The Forge of Souls [52.5, 89.4] is the first wing of the Frozen Halls instances in Icecrown Citadel, released in patch 3.3. The Forge is a massive production facility that contains Soul Grinders, the latest foul construct in the Lich King's arsenal.
Queuing for the Forge of Souls in the Dungeon Finder requires level 80 and that one's gear have an average item level of 180.
Icecrown Citadel, Icecrown Glacier
The Devourer of Souls
|Soulguard Watchman||Bone giant. Always in groups of two. Casts Shroud of Runes: eight-second/four-charge spell reflect. Also Unholy Rage: increases damage/attack speed by 10% for 10 seconds.|
|Spiteful Apparition||Floating skull. Invisible. Aggro radius of 15-20 yards. Once aggroed, it will close to melee then cast Spite (a PBAoE) once for 4500-5500 Shadow damage if it is not killed first. Then despawns.||Spite hits for 7200-8800.|
|Soulguard Adept||Cultist. Part of the four/five-pulls. Casts Shadow Bolt: 2500-3400 damage. Also Shadow Mend: 2.5 sec cast 9k-11k heal and Drain Life: 6000 health over 4 sec|
|Soulguard Bonecaster||Skeletal mage. Part of the four/five-pulls. Casts Bone Volley: 3770-4230 damage to enemies within 30 yards. Also Shield of Bones: Absorbs 5k damage, if 5k absorbed, deals 5k damage to enemies within 15 yards.||Bone Volley hits for 6958-7042. Shield of Bones absorbs 10k.|
|Soulguard Reaper||Death knight. Part of the four-pulls. Casts Shadow Lance: 4475-5525 Shadowfrost damage and Frost Nova.|
|Soulguard Animator||Cultist. Part of the three/five-pulls. Casts Shadow Bolt: 2500-3400 damage. Also Soul Sickness: 60% slow for 8 sec. and 5 second stun if not removed before it wears off|
|Soul Horror||Shade. Part of the three/five-pulls. Being channeled by the two/four surrounding it.|
|Spectral Warden||Wraith. Solo pull. Three between Bronjahm and the reliquary. Veil of Shadow: 75% incoming heals reduction curse. Also: Wail of Souls: 4250-5750 Shadow to all inside 40 yards.|