Bosses of the descent

A boss holds every 100th depth. Deeper zones rotate several bosses across their gates.

Boss	Zone	Body	First gate
The Gravetender	The Dying Fields	Wight · signature	100
The Hollow King	The Silent Necropolis	Herald · signature	200
Keeper of the Ways	The Hollow Ways	Herald · signature	300
The Ferryman	The Sunless River	Wraith · signature	400
The Last Judge	The Halls of Judgment	Fiend · signature	500
Shepherd of the Fall	The Fall of the Damned	Herald · signature	600
Warden of the Marches	The Ashfall Marches	Knight · signature	700
The Pyre Marshal	The Watchfires	Herald · signature	800
Warden of the Wall	The Brimstone Ramparts	Knight · signature	900
Warden of the Gate	The Gates of Hell	Golem · signature	1,000
The Bannerless One	The Vestibule	Wight	1,100
The Unchosen	The Vestibule	Knight	1,200
The Stung Herald	The Vestibule	Herald	1,300
The Muster-Sergeant	The Muster Yard	Knight	1,600
The Uncounted	The Muster Yard	Wight	1,700
The Brandmaster	The Branding Pits	Wight	2,100
The Thrice-Marked	The Branding Pits	Wight	2,200
The Quarry-Reeve	The Salt Quarry	Wight	2,600
The Pillar of Salt	The Salt Quarry	Golem	2,700
The Mask-Maker	The Gallery of Masks	Wight	3,100
The Thousand-Faced	The Gallery of Masks	Wight	3,200
The Cellarer	The Nitre Cellars	Wight	3,600
The Long-Shelved	The Nitre Cellars	Wight	3,700
The Reflected King	The Mirror Halls	Knight	4,100
The Shard-Wearer	The Mirror Halls	Wight	4,200
The Yokemaster	The Yoke Fields	Wight	4,600
The Great Draught	The Yoke Fields	Wight	4,700
The Strandmaster	The Acheron Strand	Wight	5,100
The Salt-Crowned	The Acheron Strand	Wight	5,200
The Pale Sovereign	Limbo	Wight	5,600
The Seven-Walled Warden	Limbo	Knight	5,700
The Laureate	Limbo	Wight	5,800
The Queen of Sighs	The Howling Plains	Herald	7,600
Lord of the Black Wind	The Howling Plains	Wight	7,700
The Weeping Empress	The Howling Plains	Wight	7,800
The Threefold Maw	The Carrion Mire	Wight	9,600
Ciacco the Swollen	The Carrion Mire	Wight	9,700
The Sleet Warden	The Carrion Mire	Brute	9,800
The Hoard-Tyrant	The Gilded Crush	Brute	11,600
The Coffer-King	The Gilded Crush	Wight	11,700
The Squanderer	The Gilded Crush	Wight	11,800
The Sunken Fury	The Styx Marshes	Brute	13,600
The Iron-Mired King	The Styx Marshes	Knight	13,700
The Choking Sullen	The Styx Marshes	Wight	13,800
The Iron Sovereign	Dis, the Burning City	Knight	15,600
The Tomb-Crowned	Dis, the Burning City	Wight	15,700
Warden of the Red Walls	Dis, the Burning City	Knight	15,800
The Crimson Warden	The Phlegethon	Knight	17,600
The Boiling Tyrant	The Phlegethon	Brute	17,700
The Flayed Colossus	The Phlegethon	Brute	17,800
Malacoda	Malebolge	Fiend	19,600
The Gilded Prior	Malebolge	Herald	19,700
Barbariccia the Hooked	Malebolge	Fiend	19,800
The First Traitor	Cocytus	Wight	21,600
The Frozen General	Cocytus	Knight	21,700
The Count in the Ice	Cocytus	Wight	21,800
The Sleeper in the Ice	The Frozen Deep	Golem	23,600
The Keystone Warden	The Frozen Deep	Knight	23,700
The Drowned Architect	The Frozen Deep	Wight	23,800
The Tolling Warden	The Frozen Deep	Knight	23,900
The Brittle Colossus	The Frozen Deep	Brute	24,000
The Under-Delver	The Frozen Deep	Brute	24,100
Ephialtes the Chained	The Well of Giants	Brute	32,100
Nimrod the Babbler	The Well of Giants	Brute	32,200
Antaeus Unbound	The Well of Giants	Golem	32,300
The Foundation Stone	The Well of Giants	Golem	32,400
Warden of the Well	The Well of Giants	Brute	32,500
The Marrow Colossus	The Well of Giants	Brute	32,600
The Sealed One	The First Prison	Brute	40,600
The First Warden	The First Prison	Knight	40,700
The Doorless Gate	The First Prison	Golem	40,800
The Last Turnkey	The First Prison	Wight	40,900
The Sigil-Speaker	The First Prison	Mage	41,000
The Warden's Hunger	The First Prison	Brute	41,100
The Shepherd of Souls	The Soulsea	Wraith	49,100
Warden of the Drowned Fleet	The Soulsea	Knight	49,200
The Ten Thousand	The Soulsea	Brute	49,300
The Ballast King	The Soulsea	Brute	49,400
The Bronze Fathom	The Soulsea	Golem	49,500
Maw of the Soulsea	The Soulsea	Brute	49,600
The Stoker of Hell	The Furnace Roots	Wight	57,600
The Boilerlord	The Furnace Roots	Golem	57,700
Warden of the Firebox	The Furnace Roots	Knight	57,800
The Great Bellows	The Furnace Roots	Brute	57,900
The Slagfather	The Furnace Roots	Golem	58,000
The Gaugewright	The Furnace Roots	Wight	58,100
The Unlit One	The Starless Deep	Wight	66,100
The Sightless Crown	The Starless Deep	Wight	66,200
The Last Meridian	The Starless Deep	Knight	66,300
The Orrery Engine	The Starless Deep	Golem	66,400
The Star-Reader	The Starless Deep	Herald	66,500
The Undawn	The Starless Deep	Brute	66,600
The Unmaker	The Unmade	Wight	74,600
The First Draft	The Unmade	Golem	74,700
The Mould-King	The Unmade	Brute	74,800
The Armature	The Unmade	Golem	74,900
The Rough Hand	The Unmade	Brute	75,000
The Cornerstone	The Unmade	Golem	75,100
Herald of the Black Dawn	The Black Sun	Herald	83,100
The Eclipse Tyrant	The Black Sun	Brute	83,200
The Gnomon	The Black Sun	Wight	83,300
The Cinder Sovereign	The Black Sun	Fiend	83,400
The Black Idol	The Black Sun	Golem	83,500
The Devourer of Noon	The Black Sun	Brute	83,600
The Throneguard	The Last Stair	Knight	91,600
The Lord Chamberlain	The Last Stair	Herald	91,700
The Hundredth Step	The Last Stair	Golem	91,800
The Last Herald	The Last Stair	Herald	91,900
The Glutton of Crowns	The Last Stair	Brute	92,000
The Attainder	The Last Stair	Wight	92,100
The Adversary	The Heart of Hell	Fiend	100,100
The First Fallen	The Heart of Hell	Wight	100,200
The Obsidian Bulwark	The Heart of Hell	Knight	100,300
The Crowned Furnace	The Heart of Hell	Brute	100,400
The Glutton of Glory	The Heart of Hell	Brute	100,500
The Gilt Colossus	The Heart of Hell	Brute	100,600
The Chainbreaker	The Heart of Hell	Brute	100,700
The Throne's Headsman	The Heart of Hell	Fiend	100,800
The Last Seraph	The Heart of Hell	Mage	100,900