Sourcemined
Elden Ring
BossStormveil CastleStranded GraveyardChanged in 1 patchVerified on build 25080141

Grafted Scion

Fought in 5 places, from 1,897 HP to 3,724 HP at Mt. Gelmir · Ninth Mt. Gelmir Campsite: each placement carries its own area scaling. It takes the most damage from Slash and the least from Magic.

Where you fight it 5

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
Stormveil Castle · Rampart Tower1,89780×1.656
Liurnia of the Lakes · Fallen Ruins of the Lake2,59680×2.266
Stormhill · Margit, the Fell Omen2,59680×2.266
Stranded Graveyard · Cave of Knowledge ×22,59680×2.266
Mt. Gelmir · Ninth Mt. Gelmir Campsite3,72480×3.25

Damage negation

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

Standard0%
Slash-10%
Strike0%
Pierce0%
Magic20%
Fire20%
Lightning20%
Holy20%

Flat defense

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

Stormveil Castle · Rampart Tower

Physical103
Magic103
Fire103
Lightning103
Holy103

Stranded Graveyard · Cave of Knowledge, Stormhill · Margit, the Fell Omen, Liurnia of the Lakes · Fallen Ruins of the Lake

Physical107
Magic107
Fire107
Lightning107
Holy107

Mt. Gelmir · Ninth Mt. Gelmir Campsite

Physical111
Magic111
Fire111
Lightning111
Holy111

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).

Stormveil Castle · Rampart Tower

Status1st proc2nd3rd4th
Poison3164147041,161
Scarlet Rot3164147041,161
Bleed230272370660
Frost230272370660
Sleep230272370660
MadnessImmune
Death BlightImmune

Stranded Graveyard · Cave of Knowledge, Stormhill · Margit, the Fell Omen, Liurnia of the Lakes · Fallen Ruins of the Lake

Status1st proc2nd3rd4th
Poison3244227121,169
Scarlet Rot3244227121,169
Bleed236278376666
Frost236278376666
Sleep236278376666
MadnessImmune
Death BlightImmune

Mt. Gelmir · Ninth Mt. Gelmir Campsite

Status1st proc2nd3rd4th
Poison3324307201,177
Scarlet Rot3324307201,177
Bleed242284382672
Frost242284382672
Sleep242284382672
MadnessImmune
Death BlightImmune

HP in each journey

At Mt. Gelmir · Ninth Mt. Gelmir Campsite: new game plus multiplies HP, defense and resistances again on top of the area's scaling.

NGNG+1NG+2NG+3NG+4NG+5NG+6NG+7
3,7245,4415,9856,2576,5297,0737,3467,618

How its AI decides verified

  • Its attack choices change at 50%, 40%, 30%, 20% 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 3 m, 3.5 m, 4 m, 5 m, 6 m, 7 m, 10 m, 15 m.
  • It chooses among 32 attack routines.

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 Grafted Scion 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 Grafted Scion

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
    • Runes521→583
    • Slash negation0%→-10%
    • Runes912→1,176
    • Runes1,004→1,283
    • Runes1,699→2,313

Other bosses in Stormveil Castle