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Black Debt

  • Critical
  • Health as Resource
  • Sustain
  • Guaranteed Gem

A TierBossing · Endgame

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Overview

Overview

Blackblood Knight paying health for damage and collecting it back in crits: every crit unleashes another Vital Impale.

Good for: Echoes T12–T20: bosses, with absurd sustain.

Strengths

  • Guaranteed Gem
  • Loses no health on the bench, even while paying the Debt
  • High boss damage

Weaknesses

  • Modest clear
  • Debt always takes health
  • Many pieces

Loadout

What the build carries

Hover or tap an icon to see what it does, in the game's own words.

Inheritance
  • Blood DebtBlood Knight

Open Debt While a blood debt is open you deal 12% more damage.

Mastery
  • Blackblood KnightLV 9 · 40 points
Iris Links
  • RuptureTrigger Gem
  • Vital ImpaleLinked

Relics12

Core

  • Hungry Bloom
  • Leech
  • Thousand EyesBLESSED · Keen
  • Edge of the Gaze

Optional

  • Heavy Fist
  • Trained Hand
  • Fractured Core
  • Cracked Shell

Legendary

  • Blood for Manaluxury pick, random drop
  • Heart of Overloadluxury pick, random drop

Sets

Verdict

Critical and execution.

  • Crooked Scales
  • Worn Gavel

2 pieces: Criticals heal you. Capped per second.

Headsman of the Iris

Critical, mark and sentence.

  • Headsman's Mask
  • Headsman's Seal

2 pieces: A marked enemy at 18% health or less is executed on the spot, and explodes. On bosses, the threshold is 5%.

Progression

Progression trees

Explore the progression trees used in this build. Lit nodes are the ones it takes; the rest of each tree stays dimmed behind them.

Iris Fragments: 1,992

Hover or tap a lit node to see what it does.

Body

  • Hardened Bark8/8+80% health (max +80%)
  • Restoring Sap5/5+40% healing received

Power

  • Sharp Gaze8/8+48% damage (max +48%)
  • Steady Rhythm5/5+35% on basic attacks
  • Elite Hunter4/4+36% against elites
  • Crownbreaker4/4+36% against bosses

Focus

  • Reservoir5/5+50% maximum resource
  • Serene Flow1/522% of natural flow
  • Measured Haste4/4-20% cooldown (max -20%)

Legacy

  • Archive of Memories1/3Stores 1 Imprint(s)
  • Deep Inheritance3/3+45% Imprint power
  • Imprint Fusion1/1Builds a Fused Inheritance

Fortune

  • Hole in the Pocket, Reversed1/5+12% gold
  • Deep Pocket4/4+4 relic slot

In practice

How to play

  1. Open with Offering and Impale.

  2. Keep Debt and crit going.

  3. Against packs, Impales in a line.

  4. Against bosses, it's the specialty.

  5. Careful: if you're not hitting, Debt only takes.

To keep

The build card

The whole build in one image: ratings, loadout, trees and how to play.

Open the card

Measured on Sep 28, 2026 · game v1.0.1 · test bench v8

Build card for Black Debt (Blood Knight)

Steam

The Only Eye: Arcane Legacy

Your next attempt starts on Steam.

Twenty Forms, six regions and a whole endgame waiting past the first ending.

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Out now on Steam for PC.