Sourcemined
Elden Ring
BossAncient Ruins of RauhRauh BaseVerified on build 25080141

Chief Bloodfiend

Fought in 5 places, from 11,760 HP to 21,948 HP at Gravesite Plain · Rivermouth Cave: each placement carries its own area scaling. It takes the most damage from Slash and the least from Fire.

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
Ancient Ruins of Rauh · Viaduct Minor Tower11,76080×10.75
m61_47_47_1011,76080×10.75
m61_45_46_1014,39280×13.156
Rauh Base · Ravine North14,39280×13.156
Gravesite Plain · Rivermouth Cave21,94880×20.063

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-20%
Strike0%
Pierce0%
Magic20%
Fire40%
Lightning20%
Holy20%

Flat defense

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

m61_47_47_10, Ancient Ruins of Rauh · Viaduct Minor Tower

Physical123
Magic123
Fire123
Lightning123
Holy123

m61_45_46_10, Rauh Base · Ravine North

Physical124
Magic124
Fire124
Lightning124
Holy124

Gravesite Plain · Rivermouth Cave

Physical122
Magic122
Fire122
Lightning122
Holy122

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).

m61_47_47_10, Ancient Ruins of Rauh · Viaduct Minor Tower

Status1st proc2nd3rd4th
Poison296338436726
Scarlet Rot296338436726
Bleed6679571,4141,414
Frost296338436726
SleepImmune
MadnessImmune
Death BlightImmune

m61_45_46_10, Rauh Base · Ravine North

Status1st proc2nd3rd4th
Poison316358456746
Scarlet Rot316358456746
Bleed7121,0021,4591,459
Frost316358456746
SleepImmune
MadnessImmune
Death BlightImmune

Gravesite Plain · Rivermouth Cave

Status1st proc2nd3rd4th
Poison295337435725
Scarlet Rot295337435725
Bleed6639531,4101,410
Frost295337435725
SleepImmune
MadnessImmune
Death BlightImmune

HP in each journey

At Gravesite Plain · Rivermouth Cave: new game plus multiplies HP, defense and resistances again on top of the area's scaling.

NGNG+1NG+2NG+3NG+4NG+5NG+6NG+7
21,94832,13835,35236,95938,56641,78043,38744,994

How its AI decides verified

  • Its attack choices change at 60% 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 4.5 m, 6.5 m, 9.5 m, 16 m.
  • It chooses among 21 attack routines; 19 have a cooldown (5–20 s).

Read from the game's AI script for this boss. Which animation each routine plays isn't named yet.

Drops

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

m61_47_47_10, Ancient Ruins of Rauh · Viaduct Minor Tower

Chief Bloodfiend drops
ItemChanceKills for 90%
Sacred Bloody Flesh ×5once100%—

m61_45_46_10, Rauh Base · Ravine North

Chief Bloodfiend drops
ItemChanceKills for 90%
Sacred Bloody Flesh ×5once100%—

Kill-speed simulator New

How many hits Chief Bloodfiend 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 Chief Bloodfiend

Other bosses in Ancient Ruins of Rauh