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Elden Ring
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BossCaelidSwamp of AeoniaChanged in 3 patchesVerified on build 25080141

Cleanrot Knight

Fought in 12 places, from 437 HP to 3,202 HP at Elphael, Brace of the Haligtree · Prayer Room: each place carries its own area scaling. It takes the most damage from Fire and the least from Holy.

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HP (NG)
437–3,202
HP in NG+7
4,550
Stance
65
Weakest to
Fire -20%
Resists most
Holy 40%
Nearest grace
Prayer Room
Cleanrot Knight, rendered from the game's 3D model
Rendered from the game's model

How Cleanrot Knight fights

At Elphael, Brace of the Haligtree · Haligtree Roots, its toughest placement: 3,202 HP.

Attacks from the game files

The attacks it picks on its own, most used first. Damage is the attack power of its strongest hit at this placement, before your defense and negation.

AttackParryBlockDamage
Spear Tip + Phalanx2 hits · first hit after 1.4 sNoYes835holy
Spear Grab (1)3 hits · first hit after 1.2 sHits 1, 2 and 3No1,062physical, if it catches you
Thrust (spear) (1)1 hit · first hit after 1.5 sYesYes872pierce
Rapier (1)1 hit · first hit after 0.9 sYesYes569slash
Rapier (2)1 hit · first hit after 0.6 sYesYes569slash
Rapier (3)1 hit · first hit after 0.5 sYesYes683slash
Rapier (4)1 hit · first hit after 0.7 sYesYes569slash
Phalanx + Spear Tip2 hits · first hit after 0.9 sNoYes835holy
Push (1)1 hit · first hit after 0.7 sNoYes644455 holy · 189 strike
Rapier (5)1 hit · first hit after 0.6 sYesYes379pierce
9 more attacks it chains after another one
AttackParryBlockDamage
Rapier (6)3 hits · first hit after 0.4 sYesYes531pierce
Thrust (spear) (2)1 hit · first hit after 1.4 sYesYes948pierce
Rapier Spear1 hit · first hit after 1.5 sYesYes1,062pierce
Thrust (spear) (3)1 hit · first hit after 1.0 sYesYes759pierce
Spit1 hit · first hit after 1.0 sNoYes379strike
Push (2)1 hit · first hit after 0.6 sNoYes644455 holy · 189 strike
Spear Grab (2)1 hit · first hit after 0.9 sNoNo1,062physical, if it catches you
Rapier (7)1 hit · first hit after 0.8 sYesYes569slash
Spear Grab (3)1 hit · first hit after 1.0 sNoNo1,062physical, if it catches you

Parry: whether a parry works on it (for combos, which hits). Block: whether a shield stops it; grabs go through.

Attack choice by distance from its battle script

How often it opens with each attack at each range, from its main weight tables (it switches between 5 sets of tables by state; the main one is shown).

  • Spear Tip + Phalanx
  • Spear Grab (1)
  • Thrust (spear) (1)
  • Rapier (1)
  • Rapier (2)
  • Other attacks and moves
Show as a table
DistanceMost likely picks
5 m +Spear Grab (1) 31% · Moving or other actions 23% · Spear Tip + Phalanx 23%
5–7 mRapier (2) 25% · Rapier (3) 25% · Rapier (1) 25%
5–7 mThrust (spear) (1) 40% · Spear Tip + Phalanx 35% · Rapier (1) 15%
7–9 mMoving or other actions 20% · Spear Tip + Phalanx 20% · Rapier (1) 15%
7–9 mSpear Grab (1) 40% · Spear Tip + Phalanx 35% · Moving or other actions 25%
9 m +Spear Grab (1) 40% · Thrust (spear) (1) 20% · Spear Tip + Phalanx 20%
9 m +Spear Grab (1) 40% · Spear Tip + Phalanx 40% · Thrust (spear) (1) 20%
Attacks
19
With a cooldown
15 5–15 s
Walk in before attacking
1 from up to 2 m

What hurts it most

  1. Fire-20% +33%
  2. Pierce0% +11%
  3. Lightning0% +11%
  4. Standard10%
  5. Strike10% ±0
  6. Magic20% −11%
  7. Slash35% −28%
  8. Holy40% −33%

Negation (lower lets more through), and how much more or less damage that type deals than Standard does.

Status procs to kill it

Status1st procHP per procProcs to kill
Bleed41658065,517 buildup
Frost4163501010,561 buildup
Poison68083244,504 buildup
Scarlet Rot6801,86921,650 buildup

From full HP with that status alone; thresholds grow after each proc. Frostbite's extra 20% damage taken isn't counted.

Weapons that hit it hardest

Attack rating that gets through its negations at max upgrade with every stat at 50, best affinity per weapon (flat defense left out). Try your own build in the build planner →

  1. Anvil HammerStandard1,023 of 1,041 AR
  2. Bloodfiend's ArmFlame Art1,016 of 977 AR
  3. Prelate's Inferno CrozierFlame Art971 of 914 AR
  4. Fire Knight's GreatswordFlame Art969 of 880 AR
  5. Duelist GreataxeFlame Art962 of 903 AR
  6. GreatswordFlame Art952 of 903 AR

Attacks, their hits, parry and block, grabs and damage are read from the boss's animation events and attack data; when it picks them, from its battle script. Attack names follow the names players commonly use; the rest are described from their hits.

Where you fight it 12

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 · Cathedral of Dragon Communion43765×1
Caelid · Starscourge Radahn43765×1
Swamp of Aeonia · Aeonia Swamp Shore ×31,05165×2.406
Swamp of Aeonia · Heart of Aeonia ×131,05165×2.406
Swamp of Aeonia · Inner Aeonia ×21,05165×2.406
Altus Plateau · Castellan's Hall ×21,42065×3.25
Altus Plateau · Shaded Castle Inner Gate1,42065×3.25
Liurnia of the Lakes · Stillwater Cave1,98065×4.532
Caelid · Abandoned Cave ×22,10265×4.812
Caelid · War-Dead Catacombs ×33,00465×6.875
Elphael, Brace of the Haligtree · Haligtree Roots ×53,20265×7.328
Elphael, Brace of the Haligtree · Prayer Room3,20265×7.328

Damage negation

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

Standard10%
Slash35%
Strike10%
Pierce0%
Magic20%
Fire-20%
Lightning0%
Holy40%

Flat defense

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

Caelid · Cathedral of Dragon Communion, Caelid · Starscourge Radahn

Physical100
Magic100
Fire100
Lightning100
Holy100

Swamp of Aeonia · Heart of Aeonia, Swamp of Aeonia · Aeonia Swamp Shore, Swamp of Aeonia · Inner Aeonia and 1 more

Physical109
Magic109
Fire109
Lightning109
Holy109

Altus Plateau · Castellan's Hall, Altus Plateau · Shaded Castle Inner Gate

Physical111
Magic111
Fire111
Lightning111
Holy111

Liurnia of the Lakes · Stillwater Cave

Physical107
Magic107
Fire107
Lightning107
Holy107

Caelid · War-Dead Catacombs

Physical120
Magic120
Fire120
Lightning120
Holy120

Elphael, Brace of the Haligtree · Haligtree Roots, Elphael, Brace of the Haligtree · Prayer Room

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).

Caelid · Cathedral of Dragon Communion, Caelid · Starscourge Radahn

Status1st proc2nd3rd4th
Poison252542999999
Scarlet Rot252542999999
Bleed154252542999
Frost154252542999
Sleep112154252542
MadnessImmune
Death BlightImmune

Swamp of Aeonia · Heart of Aeonia, Swamp of Aeonia · Aeonia Swamp Shore, Swamp of Aeonia · Inner Aeonia and 1 more

Status1st proc2nd3rd4th
Poison5358251,2821,282
Scarlet RotImmune
Bleed3274257151,172
Frost3274257151,172
Sleep238280378668
MadnessImmune
Death BlightImmune

Altus Plateau · Castellan's Hall, Altus Plateau · Shaded Castle Inner Gate

Status1st proc2nd3rd4th
Poison5448341,2911,291
Scarlet Rot5448341,2911,291
Bleed3324307201,177
Frost3324307201,177
Sleep242284382672
MadnessImmune
Death BlightImmune

Liurnia of the Lakes · Stillwater Cave

Status1st proc2nd3rd4th
PoisonImmune
Scarlet Rot5308201,2771,277
Bleed3244227121,169
Frost3244227121,169
Sleep236278376666
MadnessImmune
Death BlightImmune

Caelid · War-Dead Catacombs

Status1st proc2nd3rd4th
Poison6018911,3481,348
Scarlet Rot6018911,3481,348
Bleed3674657551,212
Frost3674657551,212
Sleep267309407697
MadnessImmune
Death BlightImmune

Elphael, Brace of the Haligtree · Haligtree Roots, Elphael, Brace of the Haligtree · Prayer Room

Status1st proc2nd3rd4th
Poison6809701,4271,427
Scarlet Rot6809701,4271,427
Bleed4165148041,261
Frost4165148041,261
Sleep302344442732
MadnessImmune
Death BlightImmune

HP in each journey

At Elphael, Brace of the Haligtree · Prayer Room: new game plus multiplies HP, defense and resistances again on top of the area's scaling.

NGNG+1NG+2NG+3NG+4NG+5NG+6NG+7
3,2023,2503,5753,7373,9004,2254,3884,550

Drops

Chance per kill at 100 Discovery (Arcane and items raise it), and at higher Discovery for the drops it affects.

Caelid · Cathedral of Dragon Communion, Caelid · Starscourge Radahn

Cleanrot Knight drops
ItemChanceAt 200 DiscoveryAt 300 DiscoveryAt 400 DiscoveryKills for 90%
Cleanrot Knight's Sword4%7.69%11.1%14.3%57
Cleanrot Helm3%5.83%8.49%11%76
Cleanrot Armor3%5.83%8.49%11%76
Cleanrot Gauntlets3%5.83%8.49%11%76
Cleanrot Greaves3%5.83%8.49%11%76
Cleanrot Spear1%1.98%2.94%3.88%230

This enemy rolls 6 drop tables on each kill (its own and the ones that follow it), each on its own.

Caelid · War-Dead Catacombs

Cleanrot Knight drops
ItemChanceAt 200 DiscoveryAt 300 DiscoveryAt 400 DiscoveryKills for 90%
Cleanrot Knight's Sword4%7.69%11.1%14.3%57
Cleanrot Helm3%5.83%8.49%11%76
Cleanrot Armor3%5.83%8.49%11%76
Cleanrot Gauntlets3%5.83%8.49%11%76
Cleanrot Greaves3%5.83%8.49%11%76
Cleanrot Spear1%1.98%2.94%3.88%230
Trina's Lily2%3.92%5.77%7.55%114

This enemy rolls 7 drop tables on each kill (its own and the ones that follow it), each on its own.

Caelid · War-Dead Catacombs

Cleanrot Knight drops
ItemChanceAt 200 DiscoveryAt 300 DiscoveryAt 400 DiscoveryKills for 90%
Halo Scythe2%3.92%5.77%7.55%114
Cleanrot Knight's Sword4%7.69%11.1%14.3%57
Cleanrot Helm3%5.83%8.49%11%76
Cleanrot Armor3%5.83%8.49%11%76
Cleanrot Gauntlets3%5.83%8.49%11%76
Cleanrot Greaves3%5.83%8.49%11%76
Trina's Lily2%3.92%5.77%7.55%114

This enemy rolls 7 drop tables on each kill (its own and the ones that follow it), each on its own.

Elphael, Brace of the Haligtree · Haligtree Roots, Elphael, Brace of the Haligtree · Prayer Room

Cleanrot Knight drops
ItemChanceAt 200 DiscoveryAt 300 DiscoveryAt 400 DiscoveryKills for 90%
Cleanrot Knight's Sword4%7.69%11.1%14.3%57
Cleanrot Helm3%5.83%8.49%11%76
Cleanrot Armor3%5.83%8.49%11%76
Cleanrot Gauntlets3%5.83%8.49%11%76
Cleanrot Greaves3%5.83%8.49%11%76
Cleanrot Spear1%1.98%2.94%3.88%230
Miquella's Lily3%5.83%8.49%11%76

This enemy rolls 7 drop tables on each kill (its own and the ones that follow it), each on its own.

Elphael, Brace of the Haligtree · Haligtree Roots

Cleanrot Knight drops
ItemChanceAt 200 DiscoveryAt 300 DiscoveryAt 400 DiscoveryKills for 90%
Halo Scythe2%3.92%5.77%7.55%114
Cleanrot Knight's Sword4%7.69%11.1%14.3%57
Cleanrot Helm3%5.83%8.49%11%76
Cleanrot Armor3%5.83%8.49%11%76
Cleanrot Gauntlets3%5.83%8.49%11%76
Cleanrot Greaves3%5.83%8.49%11%76
Miquella's Lily3%5.83%8.49%11%76

This enemy rolls 7 drop tables on each kill (its own and the ones that follow it), each on its own.

Kill-speed simulator New

How many hits Cleanrot 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 Cleanrot Knight

Patch history 3

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

  1. 1.02.1from 1.00
    • HP291→437
    • Standard negation40%→10%
    • Slash negation40%→35%
    • Strike negation20%→10%
    • Holy negation20%→40%
    • Runes980→990
    • Drop table380,000,000→380,000,010
    • Runes688→618
    • Runes4,719→4,332
    • Runes5,445→6,332
    • Drop table380,000,000→380,000,020
    • Drop table380,000,100→380,000,110
    • Runes9,100→6,332
    • Drop table380,000,100→380,000,120
    Every changed value (19)
    ValueBeforetoAfterChange
    Key changes 14
    HP×12 variants291437+146+50%
    Standard negation×12 variants40%10%−30 pts
    Slash negation×12 variants40%35%−5 pts
    Strike negation×12 variants20%10%−10 pts
    Holy negation×12 variants20%40%+20 pts
    Runes×2 variants980990+10+1%
    Drop table×3 variants380,000,000380,000,010changed
    Runes×2 variants688618−70−10%
    Runes×2 variants4,7194,332−387−8.2%
    Runes5,4456,332+887+16%
    Drop table380,000,000380,000,020changed
    Drop table×3 variants380,000,100380,000,110changed
    Runes9,1006,332−2,768−30%
    Drop table380,000,100380,000,120changed
    Linked data 4
    SpEffect ID [13]×12 variants90,10090,161changed
    SpEffect ID [14]×3 variants90,2000changed
    SpEffect ID [28]-14,410changed
    SpEffect ID [31]×3 variants-14,301changed
    1 technical value (sorting, effects, display)
    ValueBeforetoAfterChange
    Network Warp Display×12 variants1630changed
  2. 1.03.1from 1.02.1
      Every changed value (2)
      ValueBeforetoAfterChange
      Defence and poise 1
      Holy guard negation×7 variants030+30
      Linked data 1
      SpEffect ID [23]-113,873changed
    • 1.12.1from 1.10
        Every changed value (2)
        ValueBeforetoAfterChange
        Damage 1
        HP Burn Damage %×12 variants0100+100
        Linked data 1
        DLC Completion SpEffect ID×12 variants0-1changed

      Other bosses in Caelid