Caelum Vire, Arbiter of the Irrevocable Ledger

Medium humanoid (human), lawful neutral

Armor Class 19 (Manifest Contract)
Hit Points 168 (16d8 + 96)
Speed 30 ft.

STR 12 (+1)

DEX 16 (+3)

CON 22 (+6)

INT 18 (+4)

WIS 16 (+3)

CHA 20 (+5)

Saving Throws Con +11, Int +9, Cha +10
Skills Insight +8, Persuasion +10, Arcana +9, History +9
Damage Resistances psychic, necrotic
Condition Immunities charmed
Senses passive Perception 13
Languages Common, Infernal, Celestial
Challenge 13 (10,000 XP)

Cursed Technique: Contractual Obligation

Caelum can forge metaphysical contracts that convert willing sacrifice into stored power.

A creature must willingly agree to the contract and verbally state what it offers.

Sacrifices must be meaningful (DM adjudicates value).

When a contract is formed:

• A spectral parchment manifests.

• Caelum gains 1 Contract Charge (maximum 5).

• The contractor permanently loses what was offered.

Absolute Binding Vow — Confidentiality Clause

If Caelum intentionally reveals what someone sacrificed:

He immediately:

• Loses all Contract Charges

• Takes 40 psychic damage

• Suffers disadvantage on all rolls for 1 minute

This cannot be resisted.

Contract Charges

Each charge may be expended to:

• Add +4 to any roll after seeing the result
• Deal an extra 4d8 force damage
• Gain resistance to all damage until end of turn
• Manifest a sacrificed trait (see below)

Archive Armament (Bonus Action)

Caelum summons a physical contract as:

Ledger Shield – +3 AC until start of next turn. If struck, attacker takes 3d8 psychic damage.

Parchment Blade – Melee Spell Attack: +10 to hit
Hit: 22 (4d8 + 4) force damage.

Script Armor – Gain 30 temporary HP.

Manifested Sacrifice

When expending 2 Contract Charges, Caelum may temporarily manifest the essence of a prior sacrifice:

Examples (choose appropriate flavor):

• Sacrificed arm → gain advantage on melee attacks & +10 ft reach for 1 minute.

• Sacrificed memory → force one creature to make DC 18 Wis save or become disoriented (stunned until end of next turn).

• Sacrificed technique → replicate a spell of 6th level or lower once.

DM customizes based on campaign.

Cash-Out Clause (1/Day)

Caelum may permanently burn one stored contract to unleash catastrophic force:

All creatures within 30 ft must make DC 18 Con save.

Failure:

• 45 (10d8) force damage

• Knocked prone

Success:

• Half damage

• Remain standing

The burned contract can never be used again.

Reactions

Enforce Terms.
When a creature within 30 ft makes an attack, Caelum may expend 1 Contract Charge to impose disadvantage.

Clause Reversal.
When reduced below 50 HP, Caelum may automatically expend all remaining Contract Charges to heal 10 HP per charge.

Domain Equivalent (Mythic Trait)

Grand Ledger of Irrevocable Exchange (1/Day)

For 1 minute:

• Caelum gains 2 Contract Charges per round.

• All creatures inside the 60-ft radius aura have disadvantage on Wisdom saving throws.

• Creatures reduced to 0 HP may immediately offer a sacrifice to remain at 1 HP instead (once per creature).

Inside this domain, sacrifices grant double power.

But Caelum must burn one of his own memories permanently after the effect ends.

Combat Style

Caelum is patient.

He:

• Buffs at key moments.

• Spikes damage surgically.

• Punishes reckless enemies.

• Becomes terrifying when near defeat.

He is strongest when others are desperate.

Enter a description of your monster's lair here.

Lair Actions

On initiative count # (losing initiative ties), the [monster name] takes a lair action to cause one of the following effects; the [monster name] can’t use the same effect two rounds in a row:

• Enter a description for a lair action.
• Enter a description for a lair action.

Regional Effects

The region containing a legendary [monster name]’s lair is [enter the effect description], which creates one or more of the following effects:

• Enter a regional effect description.
• Enter a regional effect description.

If the [monster name] dies, these effects fade over the course of #d# days.