Almanauts
Elden Ring Nightreign
NightlordVerified for build 22818764

Heolstor the Nightlord

Beyond the boundless Night there lies the
hazy figure of a person. That is the
Night's origin, and enemy to the world.

The signs shall reveal—where the footprints of the Primordial Nightlord lead.

Expedition
Night Aspect
Weak to
Holy

HP by party size and depth

The final fight's HP: base pool × the boss's own scaling effects, × the duo or trio effect, × the Deep of Night depth effect. Weak to Holy (the expedition menu's hint).

Heolstor

PlayersNormalDepth 1Depth 2Depth 3Depth 4Depth 5
Solo4,9846,4796,8687,2828,1548,563
Duo9,96812,95913,73614,56416,30817,126
Trio14,95219,43820,60521,84624,46325,689

Damage absorption

Standard
0
Slash
−15%
Strike
10%
Pierce
−10%
Magic
0
Fire
−20%
Lightning
0
Holy
−35%

Status resistance

Poison
Immune
Scarlet Rot
252 (+290, +747, +747, +747, +747 after each proc)
Blood Loss
Immune
Frostbite
Immune
Sleep
542 (+457, +457, +457, +457, +457 after each proc)
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: ×1.3, ×1.547, ×1.841, ×2.54, ×2.947 (depth 1–5).

Other versions of Heolstor in the game's params 1

VersionSoloDuoTrioTrio, depth 5
Phase 21,4081,4081,4081,408

Each is another NpcParam row of the same enemy (phases, adds or other fights); the boss page has their full tables.

Chance it is the Deep of Night target

Each depth draws its Nightlord by weight from the expedition list (NightBossMenuParam); this is its share.

Depth 1Depth 2Depth 3Depth 4Depth 5
7.06%7.06%7.06%7.06%7.06%

Shifting Earth on its expeditions

The chance each map variant is drawn for an expedition against this Nightlord (MapPatternSet weights). See all Nightlords on the Shifting Earth odds page.

MapNormalNormal, with DLCDeep of NightDeep, with DLC
No Shifting Earth84%84%76%73.1%
Mountaintop4%4%6%3.85%
The Crater4%4%6%3.85%
Rotted Woods4%4%6%3.85%
Shrouded City4%4%6%3.85%
Great Hollow0%0%0%11.5%