Sourcemined
Elden Ring
BossMohgwyn PalaceNokron, Eternal CityChanged in 1 patchVerified on build 25080141

Ancestor Spirit

Fought in 2 places, from 4,393 HP to 6,301 HP at Nokron, Eternal City · Great Waterfall Basin: each placement carries its own area scaling. It takes the most damage from Fire and the least from Magic.

Where you fight it 2

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
Mohgwyn Palace · Cocoon of the Empyrean4,393120×2.266
Nokron, Eternal City · Great Waterfall Basin6,301120×3.25

Damage negation

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

Standard0%
Slash-10%
Strike0%
Pierce0%
Magic20%
Fire-20%
Lightning0%
Holy-20%

Flat defense

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

Mohgwyn Palace · Cocoon of the Empyrean

Physical107
Magic107
Fire107
Lightning107
Holy107

Nokron, Eternal City · Great Waterfall Basin

Physical111
Magic111
Fire111
Lightning111
Holy111

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).

Mohgwyn Palace · Cocoon of the Empyrean

Status1st proc2nd3rd4th
Poison1,1411,5981,5981,598
Scarlet Rot1,1411,5981,5981,598
Bleed1,1411,5981,5981,598
Frost1,1411,5981,5981,598
SleepImmune
MadnessImmune
Death BlightImmune

Nokron, Eternal City · Great Waterfall Basin

Status1st proc2nd3rd4th
Poison1,1701,6271,6271,627
Scarlet Rot1,1701,6271,6271,627
Bleed1,1701,6271,6271,627
Frost1,1701,6271,6271,627
SleepImmune
MadnessImmune
Death BlightImmune

HP in each journey

At Nokron, Eternal City · Great Waterfall Basin: new game plus multiplies HP, defense and resistances again on top of the area's scaling.

NGNG+1NG+2NG+3NG+4NG+5NG+6NG+7
6,3019,20610,12710,58711,04811,96812,42912,889

How its AI decides verified

  • Its attack choices change at 50%, 40%, 30%, 10% of its HP: some attacks unlock, get likelier or are forced below those points.
  • It picks attacks by how far you are, with cut-offs at 1.5 m, 5.5 m, 12 m, 15 m, 16 m, 20 m, 40 m.
  • It chooses among 28 attack routines; 14 have a cooldown (5–30 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 Ancestor Spirit 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 Ancestor Spirit

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
    • Slash negation0%→-10%

Other bosses in Mohgwyn Palace