Domnu 5.5e-Compatible Rules

True Divine Form: Domains, Granted Magic, Boons, and Curses

Domnu’s true divine magic expresses deep water, old blood, pressure, tribute, Fomorian ancestry, hostile fertility, and the underworld sea beneath the world.

• Divine Rank: Intermediate Deity
• Creature Type: Deity
• Cleric Domains: Tempest, Grave, Death, Nature
• Warlock Patron: The Black Well
• Paladin Oaths: Conquest, Vengeance, Crown, or a custom Oath of Tribute
• Favoured Weapon: Barbed harpoon or trident
• Holy Symbol: A black wave enclosing a stone womb or deep eye
• Primary Damage Themes: Cold, necrotic, lightning, bludgeoning
• Primary Saving Throws: Constitution, Wisdom, Strength

Domain Logic

Tempest covers storm, black sea, thunder, and destructive coastal weather.
Grave covers drowned dead, black wells, ancestral thresholds, and the refusal of proper rest.
Death covers necrotic deep, hostile return, drowned vengeance, and the underworld pull of Domnann.
Nature covers hostile fertility, old earth, milk, grain, wells, monstrous birth, and the living pressure beneath coast and field.

Always-Prepared Spells for Clerics of Domnu

Spell Level	Always-Prepared Spells
1st	fog cloud, thunderwave
2nd	darkness, hold person
3rd	tidal wave, water breathing
4th	control water, blight
5th	maelstrom, destructive wave

Patron Notes: The Black Well

Warlocks of Domnu do not usually bargain with a courtly sea queen. They hear a voice from a well that reflects no sky, dream of black water under the earth, or survive drowning and return with a debt in their lungs. The Black Well patron grants power in exchange for tribute, secrecy, and the recovery of old claims.

Oath Notes

Paladins sworn to Domnu are not shining knights of mercy. They are tribute-enforcers, bloodline champions, storm-oath avengers, sea-raider captains, and tyrant-knights who believe old debts must be paid. Conquest expresses domination through ancestral right. Vengeance expresses repayment for broken blood and stolen tribute. Crown expresses harsh Fomorian law and inherited sovereignty. A custom Oath of Tribute is the cleanest Domnu-specific option.

Spell Notes

Domnu’s divine magic never feels clean or playful. Her water is heavy, black, ancient, and memory-bearing. Effects tied to her often appear with black foam, salt stink, deep green light, drowned whispers, or the sensation of impossible pressure.

When she restores life, the result is never easy. Creatures restored through her power may return with salt breath, blackened veins, a sea-mark, disturbed dreams, or a visible sign of old blood awakening.

Divine Boons

Boon of Black Gills. You can breathe air and water, gain a swim speed equal to your walking speed, and have advantage on saving throws against drowning, cold, current, and forced movement caused by water.

Boon of Fomorian Blood. Once per long rest when you hit with a melee attack, you deal an extra 4d8 cold or necrotic damage and force the target to make a Constitution saving throw. On a failure, the target is knocked prone or pushed up to 20 feet.

Boon of the Tribute Storm. Once per long rest, you can create a storm aura for 1 minute. Hostile creatures that start their turn within 20 feet of you must succeed on a Strength saving throw or have their speed halved until the start of their next turn.

Divine Curses

Curse of Drowned Tribute. The cursed creature’s boats leak, wells turn brackish, and swimming checks are made with disadvantage. The creature has disadvantage on checks and saving throws directly related to surviving hazardous water.

Curse of Sour Milk and Black Grain. A household, village, or ruler that breaks Domnu’s pact suffers spoilage, failed nets, repeated storm-loss, or stillborn livestock until tribute is paid or the curse is lifted.

Curse of Indech’s Blood. A warrior who desecrates Fomorian blood or boasts carelessly of such deeds becomes recognizable to sea-monsters, Fomorians, and Domnu-bound beings within 1 mile of water, rain, marsh, or sea-cave.

Using This Deity’s Forms

Use Domnu’s forms separately.

• Servant Template: For Fomorian priests, sea-hags, drowned warriors, deep merrow, black-well guardians, and storm-kin.
• Herald: Use the Tribute-Caller when Domnu’s will is approaching but not yet fully present.
• Avatar: Use the Black-Tide Avatar for climactic coastal encounters, sea-cave rites, drowned strongholds, and divine intervention.
• True Divine Form: Use only in mythic-tier campaigns or when the party enters Domnann itself. The stat block represents a Huge combat manifestation, not the limit of Domnu’s divine size.
• Domain-Empowered Form: In Domnann, Domnu is partly identical with the realm and gains overwhelming environmental control.

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Servant Template: Domnu-Bound Creature

Apply this template to a suitable aquatic, giant, undead, hag, Fomorian, or coastal monster.

• The creature keeps its normal size.
• It gains a swim speed equal to its walking speed, unless it already has a better swim speed.
• It can breathe air and water.
• It gains resistance to cold damage.
• Once per turn, when it hits a creature in or within 10 feet of water, it deals an extra 1d6 cold damage.
• It has advantage on saving throws against being frightened while it can hear or see the sea.
• If slain within 30 feet of deep water, the body sinks unnaturally unless burned, consecrated, or claimed by a rival divine power.

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Herald: The Tribute-Caller

Huge Giant, Neutral Evil

The Tribute-Caller is a vast Fomorian priest-beast with barnacled shoulders, one swollen deep-seeing eye, a barbed harpoon of wreck-iron and whale bone, and a black whale-bone horn bound in chains and shell-gold. He appears when Domnu’s claim must be announced before her avatar rises. When he blows the horn, wells turn brackish, drowned servants stir, and coastal folk hear the sound as a debt they have tried to forget.

Armor Class 19
Initiative +2
Hit Points 264
Speed 40 ft., swim 60 ft.
Proficiency Bonus +6

STR	DEX	CON	INT	WIS	CHA
26 (+8)	14 (+2)	24 (+7)	14 (+2)	20 (+5)	22 (+6)

Saving Throws Str +14, Con +13, Wis +11, Cha +12
Skills Athletics +14, Intimidation +12, Perception +11, Religion +8
Damage Resistances cold, lightning; bludgeoning, piercing, and slashing from nonmagical attacks
Condition Immunities frightened
Senses darkvision 120 ft., passive Perception 21
Languages Irish, Fomorian, Primordial
Challenge 16

Traits

Amphibious. The Tribute-Caller can breathe air and water.

Voice of Tribute. Fomorians and Domnu-bound creatures within 60 feet of the Tribute-Caller deal an extra 1d6 damage to creatures that have broken a pact, refused tribute, or desecrated a shrine of Domnu.

Deep Eye. The Tribute-Caller can see invisible creatures within 60 feet while touching seawater, rainwater, marsh water, or well water.

Horn of Drowned Tribute. The Tribute-Caller carries a black whale-bone horn bound with wreck-iron, shell-gold, and Domnu’s black wave symbol. The horn is a ritual focus, not a weapon. While carrying it, the Tribute-Caller can use Blow the Tribute Horn and Black Well Surge.

Actions

Multiattack. The Tribute-Caller makes two Harpoon attacks and one Crushing Hand attack.

Harpoon. Melee or Ranged Weapon Attack: +14 to hit, reach 15 ft. or range 40/120 ft., one target.
Hit: 21 piercing damage plus 10 cold damage. If the target is Large or smaller, it must succeed on a DC 20 Strength saving throw or be pulled up to 20 feet toward the Tribute-Caller.

Crushing Hand. Melee Weapon Attack: +14 to hit, reach 10 ft., one target.
Hit: 25 bludgeoning damage, and the target is grappled.

Blow the Tribute Horn. Each hostile creature of the Tribute-Caller’s choice within 60 feet that can hear the horn must make a DC 20 Wisdom saving throw. On a failure, the creature is frightened until the end of its next turn and drops one carried object of the Tribute-Caller’s choice if able. Fomorians and Domnu-bound creatures within the area may immediately move up to 10 feet without provoking opportunity attacks.

Black Well Surge (Recharge 5–6). Black water erupts in a 30-foot radius centered on a point the Tribute-Caller can see within 90 feet. Creatures in the area must make a DC 21 Strength saving throw, taking 45 bludgeoning damage and falling prone on a failure, or half as much damage on a success.

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Avatar: Domnu, Black-Tide Mother

Domnu, Black-Tide Avatar
Huge Deity (Avatar), Neutral Evil

Armor Class 22
Initiative +8
Hit Points 445
Speed 40 ft., swim 120 ft.
Proficiency Bonus +7

STR	DEX	CON	INT	WIS	CHA
30 (+10)	18 (+4)	26 (+8)	24 (+7)	26 (+8)	30 (+10)

Saving Throws Str +17, Con +15, Wis +15, Cha +17
Skills Arcana +14, History +14, Insight +15, Intimidation +17, Nature +15, Perception +15, Religion +14
Damage Resistances lightning, necrotic; bludgeoning, piercing, and slashing from nonmagical attacks
Damage Immunities cold, poison
Condition Immunities charmed, frightened, poisoned, prone while in water
Senses truesight 120 ft., darkvision 300 ft., passive Perception 25
Languages Irish, Fomorian, Primordial; telepathy 300 ft.
Challenge 24

Traits

Amphibious Divinity. Domnu can breathe air and water and ignores penalties from depth, pressure, currents, and underwater combat.

Mother of the Fomorians. Fomorians within 120 feet of Domnu have advantage on saving throws against being charmed or frightened and regain 10 hit points at the start of their turns if they have at least 1 hit point.

Legendary Resistance (4/Day). If Domnu fails a saving throw, she can choose to succeed instead.

Black Tide Return. When this avatar is reduced to 0 hit points, it dissolves into black water. Unless destroyed under a proper anti-Domnu rite, it reforms in Domnann after 1d10 days.

Spellcasting

Domnu’s spellcasting ability is Charisma (spell save DC 25, +17 to hit with spell attacks). She requires no material components.

At will: control water, darkness, detect magic, fog cloud, thunderwave, water breathing
3/day each: blight, chain lightning, dominate monster (aquatic or Fomorian targets only), maelstrom, plane shift (self only)
1/day each: control weather, storm of vengeance, tsunami

Actions

Multiattack. Domnu makes three attacks, using Deep Harpoon, Crushing Tide, or Drowning Hand in any combination.

Deep Harpoon. Melee or Ranged Weapon Attack: +17 to hit, reach 20 ft. or range 60/180 ft., one target.
Hit: 28 piercing damage plus 18 cold damage. If the target is Huge or smaller, it must succeed on a DC 25 Strength saving throw or be pulled up to 30 feet toward Domnu.

Crushing Tide. Melee Spell Attack: +17 to hit, reach 30 ft., one target.
Hit: 45 bludgeoning damage, and the target is pushed up to 30 feet.

Drowning Hand. Melee Spell Attack: +17 to hit, reach 15 ft., one target.
Hit: 36 necrotic damage, and the target must succeed on a DC 25 Constitution saving throw or begin suffocating until the end of its next turn.

Call the Fomorian Blood (1/Day). Domnu summons 1d4 Domnu-bound Fomorians, sea-hags, water elementals, or giant storm-kin. They appear from black water within 120 feet and obey her for 1 hour.

Drown the Shore (Recharge 5–6). Domnu releases a 90-foot cone of black storm water. Creatures in the area must make a DC 25 Strength saving throw, taking 72 bludgeoning damage and 36 cold damage on a failure, or half as much on a success. A creature that fails is also knocked prone and pushed 30 feet.

Legendary Actions

Domnu can take 3 legendary actions, choosing from the options below.

Deep Sight. Domnu makes a Wisdom (Perception) check or learns the location of one creature touching water within 300 feet.

Tide Step. Domnu teleports up to 60 feet between spaces connected by water, rain, mist, or blood-wet ground.

Harpoon. Domnu makes one Deep Harpoon attack.

Black Well Command (Costs 2 Actions). One creature Domnu can see within 90 feet must succeed on a DC 25 Wisdom saving throw or be charmed or frightened until the end of its next turn.

Underworld Breaker (Costs 3 Actions). Domnu causes stone and water to rupture in a 30-foot radius. Creatures in the area must make a DC 25 Dexterity saving throw, taking 55 bludgeoning damage on a failure, or half as much on a success. The area becomes difficult terrain.

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True Divine Form: Domnu, Mother of the Deep Below

Domnu, Mother of the Deep Below
Variable Deity, Neutral Evil

This stat block represents Domnu’s usual Huge combat manifestation. Her true divine presence is not limited to that size; in Domnann she may appear as a woman at a black well, a vast shape beneath the sea, or a pressure moving through the realm itself.

Armor Class 26
Initiative +10
Hit Points 735
Speed 60 ft., swim 180 ft.
Proficiency Bonus +10
Combat Manifestation: Huge

STR	DEX	CON	INT	WIS	CHA
34 (+12)	20 (+5)	32 (+11)	28 (+9)	30 (+10)	34 (+12)

Saving Throws Str +22, Con +21, Wis +20, Cha +22
Skills Arcana +19, History +19, Insight +20, Intimidation +22, Nature +20, Perception +20, Religion +19
Damage Resistances radiant; bludgeoning, piercing, and slashing from non-epic attacks
Damage Immunities cold, lightning, necrotic, poison
Condition Immunities charmed, frightened, paralyzed, petrified, poisoned, prone while in water, stunned
Senses truesight 300 ft., darkvision 1 mile, passive Perception 30
Languages all languages known by Fomorians and her worshippers; telepathy 1 mile
Challenge 33

Traits

Intermediate Deity. Domnu cannot be permanently slain outside the defeat conditions described in this entry. If destroyed elsewhere, she reforms in Domnann.

Body of the Deep Below. While in Domnann, Domnu can treat any black water, sea-cave, deep well, submerged passage, or under-earth spring within 1 mile as part of her space for the purposes of sensing, speaking, and originating magical effects.

Fomorian Mother. Fomorians and Domnu-bound creatures within 1 mile gain resistance to cold and necrotic damage, advantage on saving throws against fear, and a +2 bonus to attack rolls while obeying a Fomorian ruler, priest, or oath.

Legendary Resistance (5/Day). If Domnu fails a saving throw, she can choose to succeed instead.

Magic Resistance. Domnu has advantage on saving throws against spells and magical effects.

Mythic Return: Blood of the Deep. When Domnu is reduced to 0 hit points, she does not die. Instead, black water floods the battlefield, she regains 350 hit points, and hostile creatures within 300 feet must succeed on a DC 30 Wisdom saving throw or be frightened for 1 minute. This return can happen once per battle.

Spellcasting

Domnu’s spellcasting ability is Charisma (spell save DC 30, +22 to hit with spell attacks). She requires no material components.

At will: control water, darkness, detect magic, fog cloud, speak with dead, thunderwave, water breathing, water walk
3/day each: blight, chain lightning, control weather, dominate monster (aquatic or Fomorian targets only), earthquake, maelstrom, plane shift, tsunami
1/day each: foresight, power word kill, shapechange, storm of vengeance

Actions

Multiattack. Domnu makes four attacks, using Deep Harpoon, Crushing Tide, Drowning Hand, or Serpent of the Black Well.

Deep Harpoon. Melee or Ranged Weapon Attack: +22 to hit, reach 30 ft. or range 120/360 ft., one target.
Hit: 40 piercing damage plus 27 cold damage. If the target is Gargantuan or smaller, it must succeed on a DC 30 Strength saving throw or be pulled up to 60 feet.

Crushing Tide. Melee Spell Attack: +22 to hit, reach 60 ft., one target.
Hit: 65 bludgeoning damage, and the target is pushed up to 60 feet.

Drowning Hand. Melee Spell Attack: +22 to hit, reach 30 ft., one target.
Hit: 54 necrotic damage, and the target must succeed on a DC 30 Constitution saving throw or gain one level of exhaustion.

Serpent of the Black Well. Ranged Spell Attack: +22 to hit, range 300 ft., one target.
Hit: 72 cold and necrotic damage. A concentrating target makes its concentration check with disadvantage.

Claim Tribute (Recharge 5–6). Domnu chooses up to six creatures she can see within 300 feet. Each target must make a DC 30 Wisdom saving throw. On a failure, the creature either drops one significant carried object, falls prone, or takes 45 psychic damage, chosen by Domnu.

Drown the Bright Host (1/Day). Domnu creates a 300-foot-radius storm of black water, pressure, and underworld voices. Hostile creatures in the area must make a DC 30 Strength saving throw and a DC 30 Wisdom saving throw. On a failed Strength save, a creature takes 90 bludgeoning damage and is restrained until the end of its next turn. On a failed Wisdom save, it is frightened for 1 minute. Successful saves halve damage and prevent the conditions.

Legendary Actions

Domnu can take 5 legendary actions.

Deep Sight. Domnu detects every creature touching water, blood, wet stone, or rain within 1 mile.

Move the Tide. Domnu moves up to half her speed without provoking opportunity attacks.

Harpoon. Domnu makes one Deep Harpoon attack.

Break the Well (Costs 2 Actions). A 20-foot-radius area within 300 feet erupts with black water. Creatures in the area must succeed on a DC 30 Dexterity saving throw or take 45 bludgeoning damage and fall prone.

Mother’s Command (Costs 3 Actions). One Fomorian or Domnu-bound creature within 1 mile immediately moves up to its speed and makes one attack.

Return Below (Costs 5 Actions). Domnu becomes black water and reappears in any water-filled space she can sense within 1 mile.

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Domain Actions: Domnann, the Deep Below

Unless otherwise stated, Domnu’s domain actions use her true divine spell save DC 30.

On initiative count 20, while in Domnann or a domain-empowered shrine, Domnu can use one of the following effects:

• Black Well Opens. A 30-foot-radius pool appears on stone, earth, or ship deck. It is difficult terrain. Creatures that start their turn in it must succeed on a Strength saving throw or be restrained until initiative count 20 of the next round.
• Tribute Remembered. One enemy must make a Wisdom saving throw. On a failure, it loses one reaction, one held object, or one active spell effect of 5th level or lower.
• Fomorian Renewal. One Fomorian or Domnu-bound creature regains 60 hit points and ends one condition affecting it.
• Stone Over Healing. Healing magic used by enemies is halved until initiative count 20 of the next round.

Domnu, Pathfinder 1e / 3.5e-Compatible Rules

True Divine Form: Domains, Granted Magic, Boons, and Curses

Domnu’s divine package belongs here before the form hierarchy and stat blocks.

• Divine Rank: Intermediate Deity
• Alignment: Neutral Evil
• Favoured Weapon: Harpoon or trident
• Holy Symbol: A black wave enclosing a stone womb or deep eye
• Cleric Domains: Water, Weather, Death, Darkness, Earth, Destruction
• Subdomains: Oceans, Storms, Catastrophe, Undead, Caves, Decay, Fear

Domain Logic

Water and Weather express Domnu’s storm-sea and black tide.
Death and Darkness express drowned dead, black wells, and the underworld-deep.
Earth expresses the chthonic pressure beneath land, cave, field, and well.
Destruction expresses tribute by ruin, storm-loss, shattered fleets, and the breaking of bright divine repair.

Divine Obedience

Pour milk, saltwater, or blood-darkened water over a stone taken from a shore, well, drowned ruin, or sea-cave while naming a debt that has not been repaid.

Divine Boons

First Boon — Black-Water Breath. You gain water breathing, a swim speed of 30 feet, and cold resistance 10.

Second Boon — Tribute Storm. Three times per day, you may use control water, call lightning storm, or black tentacles as spell-like abilities.

Third Boon — Blood of Domnann. Once per day for 1 minute, you gain fast healing 10, immunity to cold, and your melee attacks deal an extra 2d6 cold damage and 2d6 negative energy damage.

Divine Curse

Those cursed by Domnu find safe water turning against them. They take a –4 penalty on Swim checks and on saves against drowning, pressure, storm, and hazardous water effects. Food spoils unusually quickly in their home, milk curdles in their presence, and sea-travel suffers repeated misfortune until the curse is lifted.

True Divine Spell-Like Abilities

At will: control water, deeper darkness, detect magic, fog cloud, hydraulic push, water breathing, water walk
3/day: blight, chain lightning, control weather, death knell, earthquake, horrid wilting, storm of vengeance, summon monster IX (aquatic, giant, or water-aligned creatures only)
1/day: foresight, gate (to Domnann only), shapechange, tsunami, wail of the banshee

Using This Deity’s Forms

• Servants: Domnu-bound Fomorians, sea-hags, drowned warriors, black-well druids, merrow, and storm-kin giants.
• Herald: The Tribute-Caller, usually CR 16–18.
• Avatar: Black-Tide Avatar, CR 24.
• True Divine Form: Domnu, Mother of the Deep Below, CR 33 / MR 10. This form is mythic. Its stat block uses a Huge combat manifestation, but her true divine presence is variable in size.
• Domain-Empowered Form: In Domnann, her terrain, summoning, and environmental effects intensify dramatically.

Numbers Note: These Pathfinder/3.5e-compatible divine stat blocks use a house-style divine bonus already included in attacks, AC, saves, DCs, CMB/CMD, and skills. Do not add a second divine-rank adjustment on top of these numbers.

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Pathfinder Avatar: Domnu, Black-Tide Avatar

Domnu, Black-Tide Avatar
XP 1,228,800
Deity avatar CR 24
NE Huge deity
Init +10; Senses darkvision 300 ft., true seeing; Perception +40
Aura black tide, frightful presence, tribute pressure

DEFENSE

AC 42, touch 18, flat-footed 36
hp 510
Fort +28, Ref +22, Will +29
Defensive Abilities divine avatar, freedom of movement in water, storm body
DR 15/epic and good; Immune cold, poison; Resist electricity 30, negative energy 30
SR 35

OFFENSE

Speed 40 ft., swim 120 ft.
Melee deep harpoon +38/+33/+28/+23, bite +36, or 2 slams +36
Space 15 ft.; Reach 15 ft.
Special Attacks black well surge, call Fomorian blood, drowning hand, tribute command
Spell-Like Abilities CL 24th; concentration +36
At will—control water, deeper darkness, fog cloud, water breathing
3/day—blight, chain lightning, control weather, horrid wilting, summon monster IX (aquatic or giant creatures only)
1/day—storm of vengeance, tsunami

STATISTICS

STR	DEX	CON	INT	WIS	CHA
30 (+10)	18 (+4)	26 (+8)	24 (+7)	26 (+8)	30 (+10)

Base Atk +24; CMB +36; CMD 60
Skills Intimidate +40, Knowledge (history) +34, Knowledge (nature) +34, Knowledge (religion) +34, Perception +40, Sense Motive +35, Spellcraft +34, Swim +48
Languages Irish, Fomorian, Aquan, Giant; telepathy 300 ft.

SPECIAL ABILITIES

Black Well Surge (Su). Every 1d4 rounds as a standard action, Domnu creates a 60-foot burst of black water. Creatures in the area take 20d6 bludgeoning damage and must succeed on a DC 32 Reflex save or be knocked prone and pushed 30 feet.

Call Fomorian Blood (Sp). Once per day, Domnu summons 1d4 advanced Fomorians, sea-hags, water elementals, or giant storm-kin. They remain for 1 hour.

Drowning Hand (Su). A creature struck by Domnu’s slam must succeed on a DC 32 Fortitude save or be unable to breathe for 1 round.

Tribute Command (Su). Three times per day, Domnu may force all enemies within 60 feet to make a DC 32 Will save. On a failure, a creature is shaken for 1 minute and drops one held object of Domnu’s choice.

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Pathfinder True Divine Form: Domnu, Mother of the Deep Below

Domnu, Mother of the Deep Below
XP 26,214,400
Deity CR 33 / MR 10
NE variable deity; combat manifestation Huge
Init +15; Senses blindsense 120 ft., darkvision 1 mile, true seeing; Perception +55
Aura overwhelming evil, black tide, frightful presence, tribute pressure

Mythic Note

Domnu’s true divine Pathfinder form is mythic. Her mythic subtype benefits are already included in this stat block. Do not add them again.

Domnu’s true divine form is not fixed in size. The statistics below use a Huge combat manifestation so reach, space, attacks, CMB, CMD, and battlefield effects remain usable at the table. In narrative scenes she may appear human-sized, giant-sized, sea-sized, or realm-sized within Domnann.

DEFENSE

AC 56, touch 20, flat-footed 51
hp 820
Fort +38, Ref +31, Will +39
Defensive Abilities divine nature, freedom of movement, improved evasion in water, mythic resilience
DR 20/epic and good; Immune ability damage, ability drain, cold, death effects, energy drain, poison, pressure, polymorph; Resist electricity 30, negative energy 30
SR 44
Regeneration 30, suppressed for 1 round by epic good weapons used during a proper anti-Domnu rite

OFFENSE

Speed 60 ft., swim 180 ft.
Melee deep harpoon +57/+52/+47/+42, bite +55, 2 slams +55
Space 15 ft.; Reach 20 ft.
Special Attacks black well opens, claim tribute, drown the bright host, Fomorian mother, mythic power, storm-birth, underworld pressure
Mythic Power 23/day; Surge +1d12
Spell-Like Abilities CL 33rd; concentration +47
At will—control water, deeper darkness, detect magic, fog cloud, hydraulic push, water breathing, water walk
3/day—blight, chain lightning, control weather, death knell, earthquake, horrid wilting, storm of vengeance, summon monster IX (aquatic or giant creatures only)
1/day—foresight, gate (to Domnann only), shapechange, tsunami, wail of the banshee

STATISTICS

STR	DEX	CON	INT	WIS	CHA
34 (+12)	20 (+5)	32 (+11)	28 (+9)	30 (+10)	38 (+14)

Base Atk +33; CMB +47; CMD 76
Feats Awesome Blow, Cleave, Combat Reflexes, Greater Vital Strike, Improved Bull Rush, Improved Critical, Improved Initiative, Iron Will, Lightning Reflexes, Power Attack, Quicken Spell-Like Ability, Vital Strike, Weapon Focus
Skills Intimidate +60, Knowledge (history) +55, Knowledge (nature) +55, Knowledge (planes) +55, Knowledge (religion) +55, Perception +55, Sense Motive +55, Spellcraft +55, Swim +68
Languages Irish, Fomorian, Aquan, Giant; telepathy 1 mile

SPECIAL ABILITIES

Black Well Opens (Su). As a mythic standard action, Domnu creates a 60-foot-radius black pool within 300 feet. The area becomes difficult terrain. Creatures in the area take 15d6 bludgeoning damage and 15d6 cold damage, Reflex DC 40 half. Creatures that fail are also entangled for 1 round.

Claim Tribute (Su). Domnu chooses up to six creatures within 300 feet. Each must succeed on a DC 40 Will save or lose one of the following, chosen by Domnu: one held item, one prepared spell or highest-level spell slot, one active spell effect, or 4d6 points of nonlethal damage per significant unpaid debt.

Drown the Bright Host (Su). Once per day, Domnu floods a 300-foot radius with underworld storm-water. Creatures in the area take 25d6 bludgeoning damage and 25d6 cold damage, Fortitude DC 40 half. Creatures that fail are also staggered for 1 round.

Fomorian Mother (Su). Fomorians and Domnu-bound creatures within 1 mile gain fast healing 10, cold resistance 20, and a +2 profane bonus on attack rolls, saving throws, and caster level checks.

Storm-Birth (Su). Once per day, Domnu may create a Domnu-bound being from a drowned corpse, giant corpse, or sea-killed body. This functions as create greater undead or summon monster IX, whichever better suits the campaign.

Underworld Pressure (Su). Creatures within 120 feet of Domnu must succeed on a DC 40 Fortitude save at the start of their turns or have their movement halved and take 4d6 nonlethal damage from crushing pressure.