All Valor Mortis Bosses in Order

Where and when each boss is fought, with its core stats. Lothaire returns at the Abandoned Church hub, but his first fight is on the Battlefield.

Valor Mortis boss order

#	Boss	Location	Chapter	Health	Posture	Phases	Unblockable / attacks	Catalyst reward	Running total	Achievement
1	General Lothaire, the Eagle-Bearer	The Battlefield	Chapter I Revival	1,800	500	2	9 / 18	10,000	10,000	Torn Banner
2	The Iron Marshall	Fallen Village	Chapter III Rendezvous	2,400	800	1	1 / 8	7,000	17,000	Ultima Ratio Regum
3	Sphinx, Devourer of the Unworthy	Caverns	Chapter IV Dark Descent	2,000	350	2	5 / 14	20,000	37,000	Not a Cat Person
4	Slaughtermill	Vale of Wrath	Chapter V Crime	3,250	—	3	0 / 0	30,000	67,000	Quixotry
5	Anna, the Bride Drowned in Tears	Cursed Hollow	Chapter VI Punishment	2,200	400	1	1 / 4	14,000	81,000	My Dying Bride
6	High Justicar Aurelius, Last of the Faithful	The Outskirts	Chapter VII Witch Hunt	1,500	1,000	2	5 / 14	18,000	99,000	True Oath
7	Experiment 83	The Outskirts	Chapter VII Witch Hunt	3,400	1,000	1	2 / 4	20,000	119,000	Lament of the Limbs
8	The Orphan	University	Chapter IX In Ruins	4,000	1,550	2	7 / 16	40,000	159,000	Coup de Grâce
9	Captain Raphael of the Nephtis Superioris	Fortress	Chapter X Shackled	4,000	2,000	2	3 / 10	50,000	209,000	Behemoth
10	Entity, Voice of the Void	Entropy	—	5,000	700	2	6 / 19	100,000	309,000	In His Own Image

Bosses ranked by a threat index built from their data: HP × the average damage of their attacks, weighted up by the share of unblockable attacks.

Entity

4145,000 HP · hardest hit 80 · 6 unblockable

The Orphan

3454,000 HP · hardest hit 100 · 7 unblockable

Captain Raphael

3354,000 HP · hardest hit 100 · 3 unblockable

Experiment 83

3123,400 HP · hardest hit 120 · 2 unblockable

The Iron Marshall

1652,400 HP · hardest hit 90 · 1 unblockable

Anna

1442,200 HP · hardest hit 65 · 1 unblockable

General Lothaire

1091,800 HP · hardest hit 50 · 9 unblockable

High Justicar Aurelius

831,500 HP · hardest hit 70 · 5 unblockable

Sphinx

802,000 HP · hardest hit 50 · 5 unblockable

A relative guide, not a verdict: it ignores arena layout, summons and how readable each move is. Bosses that never strike you directly (Slaughtermill) are left out.

Damage taken from each damage type. Red cells are bonus damage; green cells are resisted.

Boss weaknesses at a glance

Boss	Fire damage	Stasis (Crystallization)	Firearms	Explosives	Infection	Head damage
General Lothaire	+40%	−50%	—	—	—	×2
The Iron Marshall	—	−20%	−10%	−30%	—	×1
Sphinx	—	—	—	—	—	—
Slaughtermill	—	—	—	—	—	—
Anna	−10%	—	−50%	—	—	×2
High Justicar Aurelius	—	—	−30%	—	—	×0.5
Experiment 83	+20%	−30%	—	—	—	×1.5
The Orphan	—	—	—	—	Immune	×2
Captain Raphael	—	—	−30%	—	—	×2
Entity	—	—	−20%	—	—	×1.5

+40% means the boss takes 40% more damage of that type; −50% means half is resisted. Head damage is the multiplier on headshots and head hits.

The achievement each boss kill unlocks and how many Steam players have it.

• Torn Banner · General Lothaire · 26.2% of Steam players
• Ultima Ratio Regum · The Iron Marshall · 11.1% of Steam players
• Not a Cat Person · Sphinx · 3.5% of Steam players
• Quixotry · Slaughtermill · 1.7% of Steam players
• My Dying Bride · Anna · 1.6% of Steam players
• True Oath · High Justicar Aurelius · 1.3% of Steam players
• Lament of the Limbs · Experiment 83 · 1.1% of Steam players
• Coup de Grâce · The Orphan · 0.8% of Steam players
• Behemoth · Captain Raphael · 0.8% of Steam players
• In His Own Image · Entity · 0.8% of Steam players