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BossConsecrated SnowfieldLiurnia of the LakesChanged in 2 patchesVerified on build 25080141

Black Knife Assassin

Fought in 9 places, from 731 HP to 5,413 HP at Altus Plateau · Forest-Spanning Greatbridge: each placement carries its own area scaling. It takes the most damage from Standard and the least from Holy.

HP (NG)
731–5,413
HP in NG+7
9,822
Stance
80
Weakest to
Standard 10%
Resists most
Holy 40%
Nearest grace
Forest-Spanning Greatbridge

How Black Knife Assassin fights

At Altus Plateau · Forest-Spanning Greatbridge, its toughest placement: 5,413 HP.

Attack routines
15
With a cooldown
5 3–25 s
Walk in before attacking
19 from up to 40 m

What hurts it most

  1. Standard10%
  2. Slash10% ±0
  3. Strike10% ±0
  4. Magic20% −11%
  5. Fire20% −11%
  6. Lightning20% −11%
  7. Pierce35% −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
BleedImmune
Frost335571109,751 buildup
PoisonImmune
Scarlet RotImmune

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 HammerStandard910 of 1,041 AR
  2. Bloodfiend's ArmFlame Art835 of 977 AR
  3. Royal GreatswordStandard814 of 961 AR
  4. Rellana's Twin BladesStandard812 of 954 AR
  5. Moonrithyll's Knight SwordStandard791 of 908 AR
  6. Troll Knight's SwordStandard791 of 908 AR

AI facts are read from the boss's own battle script; only selection weights, HP checks, distances and cooldowns are kept, and what each routine looks like isn't named yet.

Where you fight it 9

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
Consecrated Snowfield · Ordina, Liturgical Town73180×1
Liurnia of the Lakes · Ranni's Chamber ×41,65680×2.266
Liurnia of the Lakes · Road to the Manor ×31,65680×2.266
Stormhill · Deathtouched Catacombs1,66880×2.282
Leyndell, Royal Capital · Queen's Bedchamber2,70680×3.703
Liurnia of the Lakes · Black Knife Catacombs3,31280×4.532
Altus Plateau · Sage's Cave3,92980×5.376
Consecrated Snowfield · Ordina, Liturgical Town ×65,02580×6.875
Altus Plateau · Forest-Spanning Greatbridge5,41380×7.406

Damage negation

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

Standard10%
Slash10%
Strike10%
Pierce35%
Magic20%
Fire20%
Lightning20%
Holy40%

Flat defense

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

Consecrated Snowfield · Ordina, Liturgical Town

Physical100
Magic100
Fire100
Lightning100
Holy100

Liurnia of the Lakes · Ranni's Chamber, Liurnia of the Lakes · Road to the Manor, Liurnia of the Lakes · Black Knife Catacombs

Physical107
Magic107
Fire107
Lightning107
Holy107

Stormhill · Deathtouched Catacombs

Physical101
Magic101
Fire101
Lightning101
Holy101

Leyndell, Royal Capital · Queen's Bedchamber, Altus Plateau · Forest-Spanning Greatbridge

Physical113
Magic113
Fire113
Lightning113
Holy113

Altus Plateau · Sage's Cave

Physical110
Magic110
Fire110
Lightning110
Holy110

Consecrated Snowfield · Ordina, Liturgical Town

Physical120
Magic120
Fire120
Lightning120
Holy120

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).

Consecrated Snowfield · Ordina, Liturgical Town

Status1st proc2nd3rd4th
PoisonImmune
Scarlet RotImmune
BleedImmune
Frost154252542999
SleepImmune
MadnessImmune
Death BlightImmune

Liurnia of the Lakes · Ranni's Chamber, Liurnia of the Lakes · Road to the Manor, Liurnia of the Lakes · Black Knife Catacombs

Status1st proc2nd3rd4th
PoisonImmune
Scarlet RotImmune
BleedImmune
Frost3244227121,169
SleepImmune
MadnessImmune
Death BlightImmune

Stormhill · Deathtouched Catacombs

Status1st proc2nd3rd4th
PoisonImmune
Scarlet RotImmune
BleedImmune
Frost3114096991,156
SleepImmune
MadnessImmune
Death BlightImmune

Leyndell, Royal Capital · Queen's Bedchamber, Altus Plateau · Forest-Spanning Greatbridge

Status1st proc2nd3rd4th
PoisonImmune
Scarlet RotImmune
BleedImmune
Frost3354337231,180
SleepImmune
MadnessImmune
Death BlightImmune

Altus Plateau · Sage's Cave

Status1st proc2nd3rd4th
PoisonImmune
Scarlet RotImmune
BleedImmune
Frost3304287181,175
SleepImmune
MadnessImmune
Death BlightImmune

Consecrated Snowfield · Ordina, Liturgical Town

Status1st proc2nd3rd4th
PoisonImmune
Scarlet RotImmune
BleedImmune
Frost3674657551,212
SleepImmune
MadnessImmune
Death BlightImmune

HP in each journey

At Altus Plateau · Forest-Spanning Greatbridge: new game plus multiplies HP, defense and resistances again on top of the area's scaling.

NGNG+1NG+2NG+3NG+4NG+5NG+6NG+7
5,4137,0167,7178,0688,4199,1219,4719,822

Kill-speed simulator New

How many hits Black Knife Assassin 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 Black Knife Assassin

Patch history 2

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

  1. 1.02.1from 1.00
    • HP650→731
    • Runes2,065→3,200
    • Standard negation20%→10%
    • Slash negation20%→10%
    • Strike negation20%→10%
    • Pierce negation20%→35%
    • Holy negation20%→40%
    • Runes4,971→8,666
    Every changed value (14)
    ValueBeforetoAfterChange
    Key changes 8
    HP×8 variants650731+81+12%
    Runes2,0653,200+1,135+55%
    Standard negation×8 variants20%10%−10 pts
    Slash negation×8 variants20%10%−10 pts
    Strike negation×8 variants20%10%−10 pts
    Pierce negation×8 variants20%35%+15 pts
    Holy negation×8 variants20%40%+20 pts
    Runes4,9718,666+3,695+74%
    Other numbers 1
    Threat Level114+13+1300%
    Linked data 4
    Drop Type×8 variants01changed
    SpEffect ID [21]×2 variants14,50014,506changed
    SpEffect ID [31]×4 variants-14,301changed
    SpEffect ID [28]-14,410changed
    1 technical value (sorting, effects, display)
    ValueBeforetoAfterChange
    Is Synced with Host World01changed
  2. 1.12.1from 1.10
      Every changed value (2)
      ValueBeforetoAfterChange
      Damage 1
      HP Burn Damage %×8 variants0100+100
      Linked data 1
      DLC Completion SpEffect ID×8 variants0-1changed

    Other bosses in Consecrated Snowfield