Almanauts
Elden Ring Nightreign
BossVerified for build 22818764

Ulcerated Tree Spirit

HP solo
6,906
HP in a trio
17,128
Scaling class
Night Boss Threat

HP, absorptions and resistances

5 versions of this enemy in the game's params (different fights and places). HP = base pool × its own scaling effects × the duo/trio effect × the Deep of Night depth effect, rounded down. Day 2 and area scaling that event scripts add during an expedition are not included.

Field Boss · 6,906 HP solo · Night Boss Threat
PlayersNormalDepth 1Depth 2Depth 3Depth 4Depth 5
Solo6,9068,2888,7859,31010,52511,050
Duo12,01714,42115,28616,19918,31419,228
Trio17,12820,55421,78723,08926,10327,405

Damage absorption

Standard
0
Slash
0
Strike
0
Pierce
0
Magic
20%
Fire
−20%
Lightning
20%
Holy
40%

Status resistance

Poison
252 (+290, +747, +747, +747, +747 after each proc)
Scarlet Rot
252 (+290, +747, +747, +747, +747 after each proc)
Blood Loss
252 (+290, +747, +747, +747, +747 after each proc)
Frostbite
112 (+42, +140, +430, +887, +887 after each proc)
Sleep
Immune
Madness
Immune
Death Blight
Immune

In a duo / trio: HP ×1.74 / ×2.48, poise damage taken ×0.55 / ×0.3, status build-up taken ×0.889 / ×0.778. Deep of Night attack power: ×1.2, ×1.368, ×1.56, ×1.965, ×2.22 (depth 1–5).

Remembrance · 6,725 HP solo
PlayersNormalDepth 1Depth 2Depth 3Depth 4Depth 5
Solo6,7258,7439,2679,82611,00311,554
Duo6,7258,7439,2679,82611,00311,554
Trio6,7258,7439,2679,82611,00311,554

Damage absorption

Standard
0
Slash
0
Strike
0
Pierce
0
Magic
20%
Fire
−20%
Lightning
20%
Holy
40%

Status resistance

Poison
252 (+290, +747, +747, +747, +747 after each proc)
Scarlet Rot
252 (+290, +747, +747, +747, +747 after each proc)
Blood Loss
252 (+290, +747, +747, +747, +747 after each proc)
Frostbite
112 (+42, +140, +430, +887, +887 after each proc)
Sleep
Immune
Madness
Immune
Death Blight
Immune

In a duo / trio: HP ×1 / ×1, poise damage taken ×1 / ×1, status build-up taken ×1 / ×1. Deep of Night attack power: ×1.3, ×1.547, ×1.841, ×2.54, ×2.947 (depth 1–5).

Eastern Underground Fort Variant · 5,357 HP solo · Night Boss Threat
PlayersNormalDepth 1Depth 2Depth 3Depth 4Depth 5
Solo5,3576,4296,8157,2228,1658,572
Duo9,32211,18711,85812,56714,20714,916
Trio13,28715,94516,90117,91120,25021,260

Damage absorption

Standard
0
Slash
0
Strike
0
Pierce
0
Magic
20%
Fire
−20%
Lightning
20%
Holy
40%

Status resistance

Poison
542 (+457, +457, +457, +457, +457 after each proc)
Scarlet Rot
542 (+457, +457, +457, +457, +457 after each proc)
Blood Loss
252 (+290, +747, +747, +747, +747 after each proc)
Frostbite
112 (+42, +140, +430, +887, +887 after each proc)
Sleep
Immune
Madness
Immune
Death Blight
Immune

In a duo / trio: HP ×1.74 / ×2.48, poise damage taken ×0.55 / ×0.3, status build-up taken ×0.889 / ×0.778. Deep of Night attack power: ×1.2, ×1.368, ×1.56, ×1.965, ×2.22 (depth 1–5).

Night Boss · 5,222 HP solo · Night Boss Threat
PlayersNormalDepth 1Depth 2Depth 3Depth 4Depth 5
Solo5,2227,0507,8868,87811,02012,169
Duo10,44514,10115,77217,75722,04024,338
Trio15,66821,15223,65926,63633,06036,507

Damage absorption

Standard
0
Slash
0
Strike
0
Pierce
0
Magic
20%
Fire
−20%
Lightning
20%
Holy
40%

Status resistance

Poison
252 (+290, +747, +747, +747, +747 after each proc)
Scarlet Rot
252 (+290, +747, +747, +747, +747 after each proc)
Blood Loss
252 (+290, +747, +747, +747, +747 after each proc)
Frostbite
112 (+42, +140, +430, +887, +887 after each proc)
Sleep
Immune
Madness
Immune
Death Blight
Immune

In a duo / trio: HP ×2 / ×3, poise damage taken ×0.55 / ×0.3, status build-up taken ×0.85 / ×0.7. Deep of Night attack power: ×1.35, ×1.67, ×2.12, ×3.14, ×3.7 (depth 1–5).

Version 5 · 4,051 HP solo · Night Boss Threat
PlayersNormalDepth 1Depth 2Depth 3Depth 4Depth 5
Solo4,0515,2675,5835,9196,6286,960
Duo5,2676,8477,2587,6958,6169,048
Trio6,4828,4278,9339,47110,60511,137

Damage absorption

Standard
0
Slash
0
Strike
0
Pierce
0
Magic
20%
Fire
−20%
Lightning
20%
Holy
40%

Status resistance

Poison
252 (+290, +747, +747, +747, +747 after each proc)
Scarlet Rot
252 (+290, +747, +747, +747, +747 after each proc)
Blood Loss
252 (+290, +747, +747, +747, +747 after each proc)
Frostbite
112 (+42, +140, +430, +887, +887 after each proc)
Sleep
Immune
Madness
Immune
Death Blight
Immune

In a duo / trio: HP ×1.3 / ×1.6, poise damage taken ×0.55 / ×0.3, status build-up taken ×0.955 / ×0.91. Deep of Night attack power: ×1.3, ×1.547, ×1.841, ×2.54, ×2.947 (depth 1–5).

  1. Great Wyrm7,965 #12
  2. Knight Artorias7,773 #13
  3. Dragonkin Soldier7,446 #14
  4. Godskin Apostle7,347 #15
  5. Death Rite Bird6,912 #16
  6. Ulcerated Tree Spirit6,906 #17
  7. Weapon-Bequeathed Harmonia6,796 #18
  8. Naturalborn of the Void6,553 #19
  9. Magma Wyrm6,485 #20
  10. Fallingstar Beast6,269 #21
  11. Ancient Dragon6,166 #22
The night bosses closest in solo HP to Ulcerated Tree Spirit (#17 of 82), each by its first version, before depth and party scaling.