Cooling Chamber

Acidic Goo
Named goo. It hits for just over 9k, flurries, and casts Sticky Goo, 5k / tick dot with root.
Drops Coldain Phalanges Earring, Bleakburn Goo, and Ratskull Earring

Angram Coldheart
Named Coldain rogue. Hits for up to 11k, but can backstab for MUCH more (30k+). Can summon, which can lead to some nasty backstabs Casts Dirty Trick, a hefty 11kdd plus short duration blind.
Drops Droplets of Ice, Sleet, and Frozen Tears of the Beast

Bonechips
A named skelton, and like all skeletons it casts Throw Bone, a 10.8k dd with a 5' knockback. Hits for nearly 10k, immune to snare, slowable, and summons. Spawns in the southern cave of the glacier room.
Drops Chipped Bonedart, Empowered Boneshards, and Dread Dart

Donan Twest
Named Coldain rogue. Hits for up to 11k, but can backstab for MUCH more (30k+). Can summon, which can lead to some nasty backstabs Casts Dirty Trick, a hefty 11kdd plus short duration blind.
Drops Deathrune Amulet, Foehatchet, and Choker's Choker

Edward Coldbiter
Named coldain. Hits for about 11k. He casts Worker's Wrath a 10.5k dd + knockback. Immune to snare and mez, slowable, summons.
Drops Snowdrop, Deepwater Freeze, and Snowpearl Earrings

Eldaa Kemph
Named coldain rogue. Hits for up to 11k, but can backstab for MUCH more (30k+). Can summon, which can lead to some nasty backstabs Casts Dirty Trick, a hefty 11kdd plus short duration blind.
Drops Mastercraft Cinture, Perfect Chillsphere, and Kemph's Bonded Girdle

Ephraim Deeprocks
Named Coldain. Hits for a tad over 10k. He casts Worker's Wrath a 10.5k dd + knockback. Summons, immune to snare, slowable. Seems he spawns in place of any non-traitor coldain around Rodrick's room.
Drops Stone-Studded Ring, Barred Choker, and Ancient Coldain Ring

Glindah Rockchip
Named coldain. Hits for a touch over 9k. She casts Worker's Wrath a 10.5k dd + knockback. Immune to snare and mez, slowable, summons.
Drops Spectre's Spike, Ebon Crook, and Rockchip's Spike

Gnawing Goo
Named goo that spawns in northern section of the zone. It hits for just over 9k and casts Sticky Goo, 5k / tick dot with root.
Drops Clump of Gnawed Moss, Whispering Hoop, and Gnawstone

Rags
A named zombie which casts Death's Touch, a 5k / tick dot with 3 corruption counters. Hits for nearly 10k, immune to snare, slowable, and summons. Spawns in the morthwest cave of the glacier room.
Drops Accursed Amice, Bonebraided Stagg, and Enticer's Shawl

Rampaging Ghoul
Named ghoul, and like all ghouls it casts Ghoul Root a root + 150 AC debuff. Hits for nearly 10k, immune to snare and mez, slowable, summons. Spawns in the northeast cave of the glacier room.
Drops Rageskull Mask, Coldfire Aura, and Coldsteel Mask of Riot.

Rock Crunch Goo
Casts Sticky Goo, a root + 5k/tick dot. Hits for a touch over 9k. Summons, slowable, immune to snare.
Drops Crystaline Ring, Obsidian Slice, and Lustrous Ring of Living Crystal

Shrieking Death
Casts Bandshee Scream, a 6500/tick dot. Hits for nearly 10k, immune to snare and mez, slowable, summons. Spawns in the southeast cave of the glacier room.
Drops Frostguard Ring, Echoing Shriek, and ???

Tatters
A named zombie which casts Death's Embrace, a 12.5k dd. Hits for nearly 10k, immune to snare, slowable, and summons. Spawns in the western cave of the glacier room.
Drops Tattered Ruff, Stoneheart Spear, and Ancient Coldain Signet

Zendrilla the Dread
Named banshee, and like all banshees it casts Banshee Scream, a 6500 / tick dot, summons, immune to snare. Hits for nearly 10k and Flurries
Drops Bonebattered Cape, Robes of Mulberry Essence, and Cape of Stolen Ages

Zombie Deathmaker
A named zombie which casts Death's Embrace, a 12.5k dd. Hits for nearly 10k, immune to snare, slowable, and summons.
Drops Darkskull Ring, Deathmaker's Bane, and Deathmaker's Ring of Dread.