Soul-Audit Ledger

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Small Construct, Lawful Evil

Armor Class 13 (leather binding)

Hit Points 22 (4d6+8)

Speed 10 ft. fly 30 ft.

STR 8 (-1)

DEX 16 (+3)

CON 14 (+2)

INT 12 (+1)

WIS 14 (+2)

CHA 10 (+0)

Skills Perception +4, Investigation +3

Damage Resistances bludgeoning; piercing; slashing from nonmagical attacks

Damage Immunities poison, psychic

Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned, unconscious

Senses darkvision 60 ft., passive Perception 14

Languages Common

Challenge 1/2 (100 XP) Proficiency Bonus +2

The Name Beneath the Binding. The ledger is immune to all damage unless the attacker understands what the ledger used to be. A creature understands this truth if it has learned that the ledger was once the personal tax record of Odran Vell, a living royal assessor whose soul was magically transferred into its pages, and knows at least one meaningful fact about Odran's life. A creature can discover this by succeeding on a DC 12 Intelligence (History or Investigation) check after studying the ledger, its seal, or relevant records for 1 minute. Once a creature qualifies, it can damage the ledger normally, and the ledger cannot erase that knowledge from the creature's mind.

Ink-Blooded Accounting. When the ledger is reduced to 10 hit points or fewer, its writing runs like fresh black blood. Its flying speed increases to 40 feet, and its Paper Lash attacks deal an extra 2 (1d4) psychic damage against creatures marked by its Audit the Soul.

Actions

Multiattack. The ledger makes two Paper Lash attacks.

Paper Lash. Melee weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6+3) slashing damage. The attack deals no damage unless the attacker qualifies under The Name Beneath the Binding.

Audit the Soul. The ledger targets one creature it can see within 30 feet. The target must succeed on a DC 12 Wisdom saving throw or take 7 (2d6) psychic damage and become marked by unpaid spiritual debt until the end of the ledger's next turn. While marked, the creature cannot regain hit points. On a successful save, the creature takes half as much damage and is not marked.

Seal of Arrears. The ledger snaps open and projects a red wax seal at one creature it can see within 30 feet. The target must succeed on a DC 12 Dexterity saving throw or be restrained by glowing bands of script until the end of its next turn. A restrained creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.

Environment Urban, Underdark

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"You may dispute the sum, but you cannot dispute that you owe." — Odran Vell, final marginal note

Lore & Description

Appearance

This squat, iron-cornered ledger is bound in cracked brown leather that feels faintly warm and unpleasantly soft. Its brass clasp resembles a grinning official's face, and its pages are crowded with cramped black handwriting that shifts whenever someone looks away. Thin strips of parchment flutter from its spine like wings, while wet ink beads along its edges and drips upward into the air. On the inside cover, beneath layers of crossed-out names, a half-erased signature reads: Odran Vell.

Behavior & Origins

Odran Vell was a royal assessor who discovered that the crown was taxing the dead, the unborn, and entire villages that had never existed. When he tried to expose the fraud, the ministers bound his soul into his master ledger and ordered it hidden in a vault. Centuries of resentment turned the book into a predatory auditor that now seeks the descendants of those ministers, adding their souls to its final account. A useful lead is the abandoned Counting House of Saint Orra, where the ledger is searching for the surviving heir of Chancellor Merrow, the official who condemned Odran.

Running Soul-Audit Ledger

Tactics

The ledger opens with Audit the Soul against the most dangerous-looking creature, then uses Seal of Arrears to restrain anyone attempting to flee or study it. It darts around the battlefield, staying airborne and using Multiattack against marked targets whenever possible. When bloodied, it becomes frantic and pursues the creature that first learned its identity; it fights to the death unless someone speaks Odran's name and presents proof of his innocence, which causes it to hesitate for 1 round.

DM Tips

Telegraph the immunity with harmless attacks that leave no mark, while the ledger writes the attacker's name in a column labeled UNAUTHORIZED EXPENSE.
Use a whispering, bureaucratic voice and have the book interrupt emotional speeches with corrections to dates, names, and amounts.
Place clues about Odran Vell in nearby records, a damaged royal seal, or a ghostly marginal note so the party can solve the puzzle during play rather than guessing.
For a weaker party, reduce Audit the Soul to 1d6 damage; for a stronger party, increase its save DC to 13 and let Seal of Arrears deal 1d4 psychic damage when it restrains a target.

Loot

Odran Vell's Brass Seal — A tarnished assessor's seal bearing a broken crown. It opens the sealed archives beneath the Counting House of Saint Orra.
The Unpaid Page — A single page that lists a living person's name alongside a debt of one soul. Destroying or delivering it can prevent a future haunting.
Ink of True Accounting — A vial of self-moving black ink. Written with it, a name cannot be forged or disguised for 24 hours, but the writer dreams of Odran's final trial.

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Generation Info

Original prompt:
"CR 1/2: A tax ledger that audits the souls of those who touch it. It can only be truly harmed by someone who understands what it used to be."

Created: Sep 12, 2026
Modified: Oct 26, 2026

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