Sourcemined
Elden Ring
BossCaelidChanged in 1 patchVerified on build 25080141

Decaying Ekzykes

23,731 HP at Caelid · Caelid Highway South, with the area's scaling applied. It takes the most damage from Fire and the least from Pierce.

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
Caelid · Caelid Highway South23,731120×4.125

Damage negation

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

Standard-40%
Slash-40%
Strike-40%
Pierce-10%
Magic-40%
Fire-100%
Lightning-40%
Holy-40%

Flat defense

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

Physical114
Magic114
Fire114
Lightning114
Holy114

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
Poison1,1891,6461,6461,646
Scarlet Rot1,1891,6461,6461,646
Bleed246288386676
Frost246288386676
SleepImmune
MadnessImmune
Death BlightImmune

HP in each journey

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

NGNG+1NG+2NG+3NG+4NG+5NG+6NG+7
23,73129,73532,70834,19535,68238,65540,14241,629

How its AI decides verified

  • Its attack choices change at 70% 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 5 m, 10 m, 20 m, 30 m, 40 m, 50 m.
  • It chooses among 28 attack routines; 18 have a cooldown (10–40 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 Decaying Ekzykes 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 Decaying Ekzykes

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
    • HP6,201→5,753
    • Pierce negation-20%→-10%

Other bosses in Caelid