Sourcemined
Elden Ring
BossAltus PlateauCapital OutskirtsChanged in 1 patchVerified on build 25080141

Onyx Lord

Fought in 3 places, from 4,058 HP to 5,190 HP at Caelid · Sellia Crystal Tunnel: each placement carries its own area scaling. It takes the most damage from Standard and the least from Magic.

Where you fight it 3

Each place uses its own copy of the boss with that area's scaling. HP and stance as you meet them (first phase, offline, no new game plus).

PlaceHPStanceScaling
Altus Plateau · Abandoned Coffin4,05865×5.376
Capital Outskirts · Divine Tower of West Altus: Gate4,90765×6.5
Caelid · Sellia Crystal Tunnel5,19065×6.875

Damage negation

How much of each damage type it shrugs off. Lower is better for you; the type it takes most is highlighted.

Standard10%
Slash10%
Strike10%
Pierce10%
Magic20%
Fire20%
Lightning20%
Holy20%

Flat defense

Subtracted from each hit before negation; it matters most for weak hits. Area scaling raises it along with HP.

Altus Plateau · Abandoned Coffin

Physical110
Magic110
Fire110
Lightning110
Holy110

Capital Outskirts · Divine Tower of West Altus: Gate

Physical111
Magic111
Fire111
Lightning111
Holy111

Caelid · Sellia Crystal Tunnel

Physical120
Magic120
Fire120
Lightning120
Holy120

Status buildup to proc

Buildup needed for the first proc, and how much more each following proc needs (it grows after every proc, up to the fifth).

Altus Plateau · Abandoned Coffin

Status1st proc2nd3rd4th
Poison3304287181,175
Scarlet Rot3304287181,175
Bleed3304287181,175
FrostImmune
Sleep240282380670
MadnessImmune
Death BlightImmune

Capital Outskirts · Divine Tower of West Altus: Gate

Status1st proc2nd3rd4th
Poison3324307201,177
Scarlet Rot3324307201,177
Bleed3324307201,177
FrostImmune
Sleep242284382672
MadnessImmune
Death BlightImmune

Caelid · Sellia Crystal Tunnel

Status1st proc2nd3rd4th
Poison3674657551,212
Scarlet Rot3674657551,212
Bleed3674657551,212
FrostImmune
Sleep267309407697
MadnessImmune
Death BlightImmune

HP in each journey

At Caelid · Sellia Crystal Tunnel: new game plus multiplies HP, defense and resistances again on top of the area's scaling.

NGNG+1NG+2NG+3NG+4NG+5NG+6NG+7
5,1905,2685,7956,0586,3226,8497,1127,375

How its AI decides verified

  • It picks attacks by how far you are, with cut-offs at 1.5 m, 3 m, 5 m, 8 m, 15 m.
  • It chooses among 27 attack routines; 8 have a cooldown (5–20 s).

Read from the game's AI script for this boss. Which animation each routine plays isn't named yet.

Kill-speed simulator New

How many hits Onyx Lord takes with your weapon and stats, in any journey: damage per hit through its defense and negations, stance, and status procs as its thresholds grow.

Simulate Onyx Lord

Patch history 1

Every patch that changed its numbers, read from the game's balance file (regulation) of each version.

  1. 1.02.1from 1.00
    • HP671→755
    • Runes5,337→4,852
    • Standard negation20%→10%
    • Slash negation20%→10%
    • Strike negation20%→10%
    • Pierce negation20%→10%

Other bosses in Altus Plateau