Sourcemined
Elden Ring
BossStone Coffin FissureVerified on build 25080141

Putrescent Knight

20,612 HP at Stone Coffin Fissure · Garden of Deep Purple, with the area's scaling applied. It takes the most damage from Holy and the least from Slash.

HP (NG)
20,612
HP in NG+7
35,853
Stance
100
Weakest to
Holy -20%
Resists most
Slash 40%
Nearest grace
Garden of Deep Purple

Where you fight it 1

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
Stone Coffin Fissure · Garden of Deep Purple ×220,612100×11.813

Damage negation

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

Standard20%
Slash40%
Strike0%
Pierce40%
Magic20%
Fire0%
Lightning0%
Holy-20%

Flat defense

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

Physical123
Magic123
Fire123
Lightning123
Holy123

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).

Status1st proc2nd3rd4th
PoisonImmune
Scarlet Rot306348446736
BleedImmune
FrostImmune
SleepImmune
MadnessImmune
Death BlightImmune

HP in each journey

At Stone Coffin Fissure · Garden of Deep Purple: new game plus multiplies HP, defense and resistances again on top of the area's scaling.

NGNG+1NG+2NG+3NG+4NG+5NG+6NG+7
20,61225,60928,17029,45130,73133,29234,57335,853

How its AI decides verified

  • Its attack choices change at 95%, 65% 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 4 m, 4.5 m, 6 m, 9 m, 16 m, 18 m, 25 m.
  • It chooses among 32 attack routines; 26 have a cooldown (5–80 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 Putrescent Knight 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 Putrescent Knight

Other bosses in Stone Coffin Fissure

Bosses with similar HP