Apsu — Primordial God of Fresh Water and the Abzu
At a Glance
| Pantheon | Mesopotamian, primordial generation |
|---|---|
| Divine Rank | Primordial Greater Deity |
| Alignment | True Neutral |
| Titles | The First Deep; The Slumbering Source; The Waters Below |
| Portfolio | Primordial freshwater, silence, hidden depths, creation’s memory, and stillness |
| Domains | Water, Knowledge, Nature and Protection (see edition mechanics) |
| Divine Estate | The Abzu and the Stillwell Depths, bordering the Elemental Plane of Water |
| Divine Symbol | A descending freshwater wave curling into a spiral within a carved stone ring |
| Sacred Rites | Springwater drawn at dawn, still bowls, and prayers below breath |
| Worshippers | Well guardians, water-seers, riverkeepers, and hermits |
Apsu is the sweet water beneath the world: the ancient depth from which wells rise and gods were first conceived. Ea defeated him in the first divine struggle, but old springs still whisper with the silence he wanted to impose on creation.
What Is Apsu Doing Right Now?
In the year 1454, deep wells around the ruins of old Mesopotamian cities begin to fill with cold water even during drought. Miners find perfectly preserved tablets beneath flooded stone, and a wellkeeper in a dry caravan town hears a voice ask for the names of every child born nearby. Those who answer truthfully receive water. Those who try to bargain for dominion find their springs suddenly silent.
Three rival claimants have discovered the same underground route: Enki’s priests want to seal the opening, the servants of Mummu want to break their master’s old bonds, and worshippers of Apsu hope to restore a shrine beneath a ruined canal. All three need mortal hands to reach the gate.
The First Waters and the First Betrayal
Before heaven and earth were divided, Apsu’s freshwater mingled with the salt waters of Tiamat. From that mingling the first gods arose. Their restlessness disturbed Apsu, who sought to destroy the noisy younger generation. Tiamat initially opposed the slaughter; Mummu counselled Apsu to press on.
Ea, called Enki in Sumerian tradition, discovered the plot, overcame Apsu by incantation and killed him. Ea then made his dwelling in the watery Abzu. Yet the first fresh waters are not so easily silenced: Apsu’s will persists in springs, dreams and divine manifestations. The mythic father is slain, but his influence still rises from beneath the earth.
The Abzu is not simply another name for all oceans. It is the hidden freshwater source beneath the earth, closely tied to Enki’s sacred house at Eridu. Its deepest passages connect with the Stillwell estate on the Elemental Plane of Water. Namma, the older mother of freshwater in another tradition, remains a distinct divine power.
Appearance and Divine Nature
When Apsu takes visible form he is an immense, wingless figure of clear subterranean water, part ancient king and part river-serpent. Pale silt and drowned stone hang suspended beneath his skin; stars of cold mineral light gather around his brow. His voice has the pressure of a deep cistern. He rarely raises it, for every word becomes an echo travelling through the world’s wells.
He is not a kindly spring spirit. Apsu believes that rest ends suffering and that every new ambition disturbs the perfect quiet before creation. An innocent village may receive a life-saving river while a thriving city loses its water because its rulers are exhausting the earth. He rewards restraint and punishes ruthless extraction, but his protection can become a tyranny of silence.
Rivals, Descendants and Divine Courts
Tiamat is the primordial saltwater partner whose grief and fury make her a very different danger. Ea / Enki is Apsu’s vanquisher and the guardian of the Abzu; their conflict concerns whether creation may change and grow. Mummu, Apsu’s counsellor, remains bound to the consequences of his failed counsel. Marduk, champion of a later divine generation, inherits a cosmos made from victories over older powers, but Apsu’s immediate quarrel is with Ea. Namma embodies a distinct ancient freshwater and creation tradition, not a discarded name for Apsu.
Priests, Sacred Wells and Worship
Few settlements erect a grand temple to Apsu. His oldest congregations gather underground, around a spring without visible inflow. The Stillwater priests keep those sources clean, forbid noisy bloodshed beside them, and preserve tablets that name the first divine generations. A visitor brings a vessel of clean water rather than coins. To receive an answer, the petitioner must remain silent long enough for the surface to stop moving.
Priestly duties. Guard wells, protect aquifers from poisoning, record the names of those saved by a spring and prevent careless breaches into ancient water chambers. Favoured implements. Reed staff, stone water bowl and obsidian ceremonial knife. Holy observances. The Vigil of the First Well is kept during the deepest dry season; worshippers go without speech from sunset until dawn. A day’s silence is also observed at the spring called the Stone Mirror, believed to reflect events before the city gods.
Signs of favour. A sealed cistern fills with fresh water, a drowning person wakes on dry ground, or an old clay inscription becomes legible under a film of water. Signs of displeasure. A well holds the reflection of a dry sky, a spring flows backward, or a basin keeps its surface motionless while people stir it.
The Stillwell Depths
Apsu’s estate lies where the deepest freshwater channels of the Abzu press against the elemental sea. Rivers pour upwards through black stone. Galleries of polished mineral contain the memories of extinguished cities, and sleeping guardians lie beneath perfectly clear pools. One chamber holds the Heart-Well, a dark cup whose water shows an event witnessed by a freshwater spring; it cannot invent a future or compel another god to answer.
Travellers can enter through a spring that runs uphill at midnight, a forgotten stair below a temple at Eridu, or a planar current opening in the Elemental Plane of Water. The waters preserve life but resist haste: hurried travellers find themselves walking the same shore until they give up their urgency. Nothing here is a portal merely because it is wet; the entrances are guarded and selective.
Encounters and Adventure Hooks
The Cistern Beneath the Marketplace
Every public well in a city supplies clean water, but anyone who drinks it forgets the last hour. A frightened scribe knows that an Apsu cult has opened a buried reservoir. The party can close it, bargain with the keeper or discover what dangerous memory the water is taking away.
The Scroll Mummu Wants
A clay tablet bearing an incantation against primordial silence appears in a merchant’s collection. Mummu’s agents want the tablet shattered; Ea’s servants want it hidden. The tablet is also the only key to freeing workers trapped in a flooded gallery.
The Price of a Thousand Springs
A ruler offers to dedicate every well to Apsu if the god saves a drought-stricken province. Water returns, but so does an ancient prohibition against carving new canals. Farmers prosper; town builders face starvation. The characters must negotiate where the first waters end and mortal freedom begins.
Apsu in Play
Apsu’s physical manifestation is an epic threat, not the whole of the primordial waters. His attacks are overwhelming in water-rich terrain, while his motives create opportunities for parley. Defeating the manifestation silences the local estate without destroying the world’s freshwater.
Apsu’s notable divine arts include Control Water, Water Breathing, Dispel Magic, Greater Restoration and Wish. Their individual spell pages explain each edition’s procedures. Even his weakest manifestation can flood a city; the greatest must be confronted through bargains, divine intervention or an extraordinary company of heroes.
Apsu — D&D 2024
Apsu, Voice of the Primeval Abzu
Gargantuan Elemental (Titan, Primordial Deity), Neutral. Challenge 42 (unofficial epic estimate; no official XP). Campaign Proficiency Bonus +12.
AC 29 (primordial hide); Initiative +4 (14)
HP 1,960 (80d20 + 1,120)
Speed 40 ft., Burrow 40 ft. through saturated earth, Swim 140 ft.
| Ability | Score | Mod | Save |
|---|---|---|---|
| STR | 36 | +13 | +25 |
| DEX | 18 | +4 | +16 |
| CON | 38 | +14 | +26 |
| INT | 28 | +9 | +21 |
| WIS | 36 | +13 | +25 |
| CHA | 30 | +10 | +22 |
Skills Arcana +21, Insight +25, Nature +21, Perception +25. Resistances Acid, Fire, Lightning; Bludgeoning, Piercing, and Slashing. Immunities Cold, Poison; Charmed, Exhaustion, Frightened, Poisoned. Senses Truesight 240 ft., Passive Perception 35. Languages all, telepathy 1 mile.
Traits
Divine Manifestation. Apsu requires no air, food, drink or sleep and can move through water without disturbing it. Destroying this form breaks a manifestation, not the primeval existence of freshwater.
Legendary Resistance (5/Day). If Apsu fails a saving throw, he can succeed instead.
Magic Resistance. Apsu has Advantage on saving throws against spells and other magical effects.
Source of the Springs. Freshwater within 120 feet is clean of nonmagical contamination. Apsu knows the location of creatures immersed in that water unless they are protected by divine magic.
Personal Spellcasting. Wisdom is Apsu’s spellcasting ability (spell save DC 33; +25 to hit with spell attacks). He needs no Material components. Each spell uses its normal casting time, range, duration and Concentration rules; Apsu can concentrate on only one spell at once. At will: Control Water, Water Breathing, Detect Magic, Shape Water. 3/day each: Dispel Magic, Freedom of Movement, Greater Restoration, Legend Lore, Heal. 1/day each: Control Weather, Foresight, Mass Heal, Tsunami, Wish (restoration of water or the land, never automatic dominion over another god).
Actions
Multiattack. Apsu makes three Current Claw attacks.
Current Claw. Melee Attack Roll: +25, reach 20 ft. Hit: 45 (5d12 + 13) Bludgeoning damage plus 22 (4d10) Cold damage.
Deluge of the First Deep (Recharge 5–6). Apsu releases a 120-foot-long, 20-foot-wide torrent from a point within 120 feet. Each chosen creature in the area makes a DC 33 Strength saving throw, taking 110 (20d10) Bludgeoning damage and being pushed up to 40 feet on a failure, or half damage with no push on a success.
Return to Stillness (Recharge 6). Creatures of Apsu’s choice within 60 feet standing in water make a DC 33 Wisdom save. On a failure a creature is Restrained by still water until the end of its next turn; on a success it is unaffected. The water cannot restrain creatures with no physical form.
Bonus Actions
Through the Well. Apsu teleports up to 90 feet from one connected body of freshwater to another he can see.
Reactions
Answer of the Deep (3/Day). When Apsu is hit by an attack, he halves the attack’s damage and moves the attacker up to 20 feet through water if the attacker is touching it (Strength DC 33 negates the movement).
Legendary Actions — Four Uses
Apsu takes a legendary action immediately after another creature’s turn, spending uses listed below, and regains four at the start of his turn. He cannot use them while Incapacitated.
- Flow (1). Apsu moves up to half his Swim Speed without provoking Opportunity Attacks.
- Claw (1). Apsu makes a Current Claw attack.
- Choking Current (2). One creature in water within 90 feet makes a DC 33 Strength save or is Grappled (escape DC 33) until the end of its next turn.
- Still the Spell (3). Apsu attempts to end a 6th-level-or-lower magical water effect within 120 feet; higher-level effects require a Wisdom check against DC 10 + the spell level.
Estate Actions — The Stillwell
On initiative count 20 (losing ties), Apsu causes one effect (never the same two rounds running): a fresh spring erupts in a 30-foot-radius area within 120 feet (Strength DC 33 or pushed 20 feet and knocked Prone); a 40-foot-square pool becomes opaque, magical Difficult Terrain until initiative 20 next round; or he restores 50 Hit Points to one water elemental or guardian he sees in the estate. Lair effects are not additional legendary actions.
Regional Effects
Within 6 miles, unpolluted wells remain drinkable and reveal ancient reflections at night; water taken from a guarded spring may show a memory once per day; springs disturbed by violent magic flow backwards for a minute. Apsu can suppress these signs. If his manifestation is dispersed, the supernatural effects fade over 1d10 days, while ordinary springs remain.
Worshipper Magic
Clerics may follow the Life Domain or a campaign Water Domain. Apsu’s optional Water Domain always-prepared spells, by Cleric level: 3rd—Create or Destroy Water, Fog Cloud, Lesser Restoration, Misty Step; 5th—Water Breathing, Dispel Magic; 7th—Control Water, Freedom of Movement; 9th—Cone of Cold, Greater Restoration. The Water Domain is a campaign option, not an official 2024 subclass.
Apsu — D&D 2014
Apsu, the Slumbering Source
Gargantuan elemental (titan), neutral. Challenge 42 (unofficial epic estimate; no official XP); campaign proficiency bonus +12.
Armor Class 29 (natural armor); Hit Points 1,960 (80d20 + 1,120); Speed 40 ft., burrow 40 ft. in saturated earth, swim 140 ft.
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
| 36 (+13) | 18 (+4) | 38 (+14) | 28 (+9) | 36 (+13) | 30 (+10) |
Saving Throws Str +25, Dex +16, Con +26, Int +21, Wis +25, Cha +22; Skills Arcana +21, Insight +25, Nature +21, Perception +25; Damage Resistances acid, fire, lightning; bludgeoning, piercing, slashing; Damage Immunities cold, poison; Condition Immunities charmed, exhaustion, frightened, poisoned; Senses truesight 240 ft., passive Perception 35; Languages all, telepathy 1 mile.
Traits
Amphibious. Apsu can breathe air and water. Legendary Resistance (5/Day). If Apsu fails a saving throw, he can choose to succeed instead. Magic Resistance. Apsu has advantage on saving throws against spells and other magical effects. Primordial Presence. Water elementals within 120 feet have advantage on saves against being frightened.
Innate Spellcasting. Apsu’s innate spellcasting ability is Wisdom (spell save DC 33, +25 to hit with spell attacks). It requires no material components but follows the spell’s normal casting time and concentration. At will: Control Water, Water Breathing, Detect Magic; 3/day each: Dispel Magic, Greater Restoration, Heal, Legend Lore; 1/day each: Control Weather, Foresight, Mass Heal, Tsunami, Wish.
Actions
Multiattack. Apsu makes three Current Claw attacks.
Current Claw. Melee Weapon Attack: +25 to hit, reach 20 ft., one target. Hit: 45 (5d12 + 13) bludgeoning damage plus 22 (4d10) cold damage.
First Deluge (Recharge 5–6). Each creature Apsu chooses in a 120-foot line, 20 feet wide, must make a DC 33 Strength saving throw, taking 110 (20d10) bludgeoning damage and being pushed 40 feet on a failed save, or half damage with no push on success.
Hush of the Source (Recharge 6). Each chosen creature touching water within 60 feet makes a DC 33 Wisdom save or is restrained until the end of its next turn as the water seals around it.
Legendary Actions
Apsu can take 4 legendary actions, choosing from the options below, only at the end of another creature’s turn. He regains spent legendary actions at the start of his turn.
- Water Step. Apsu moves up to half his swimming speed.
- Claw. Apsu makes one Current Claw attack.
- Undertow (Costs 2 Actions). A creature touching water within 90 feet must succeed on a DC 33 Strength save or be pulled 30 feet toward Apsu.
- Unmake Flow (Costs 3 Actions). Apsu ends one non-artifact magical water effect of 6th level or lower he can see.
Estate Actions — The Stillwell
On initiative count 20 (losing ties), Apsu causes one effect (never the same two rounds running): a fresh spring erupts in a 30-foot-radius area within 120 feet (Strength DC 33 or pushed 20 feet and knocked Prone); a 40-foot-square pool becomes opaque, magical Difficult Terrain until initiative 20 next round; or he restores 50 Hit Points to one water elemental or guardian he sees in the estate. Lair effects are not additional legendary actions.
Regional Effects
Within 6 miles, unpolluted wells remain drinkable and reveal ancient reflections at night; water taken from a guarded spring may show a memory once per day; springs disturbed by violent magic flow backwards for a minute. Apsu can suppress these signs. If his manifestation is dispersed, the supernatural effects fade over 1d10 days, while ordinary springs remain.
Domains and Domain Spells
Nature or Tempest clerics serve him; optional Water Domain spell list (cleric levels 1, 3, 5, 7, 9): Create or Destroy Water and Fog Cloud; Misty Step and Lesser Restoration; Water Breathing and Dispel Magic; Control Water and Freedom of Movement; Cone of Cold and Greater Restoration. The Water Domain is a campaign adaptation.
Apsu — Pathfinder 1e
Apsu, the Primeval Freshwater
CR 39 (epic campaign estimate; XP not assigned); N Gargantuan outsider (aquatic, extraplanar).
Init +8; Senses darkvision 60 ft., true seeing, detect thoughts in water; Perception +78. Aura stillwell (120 ft., Will DC 52).
DEFENSE
AC 46, touch 10, flat-footed 42 (–4 size, +4 Dex, +36 natural); hp 930 (60d10 + 600); Fort +44, Ref +26, Will +49; DR 20/epic; Immune cold, poison; Resist acid 30, electricity 30, fire 20; SR 50.
OFFENSE
Speed 40 ft., burrow 40 ft. through waterlogged earth, swim 140 ft.; Space 20 ft.; Reach 20 ft. Melee 2 slams +72 (6d10+16 bludgeoning plus 4d8 cold). Special Attacks primeval deluge, stillwell, memory surge.
Primeval Deluge (Su) (every 1d4 rounds). A 120-ft. line, 20 ft. wide; creatures take 20d10 bludgeoning damage (Reflex DC 50 half) and are pushed 30 ft. on a failed save. The save DC is Constitution-based.
Stillwell (Su). Creatures other than Apsu that begin their turns in freshwater within 120 ft. must succeed on a DC 52 Will save or be staggered for 1 round. A creature that succeeds is immune to this aura for 24 hours. The save DC is Charisma-based.
STATISTICS
Str 42, Dex 18, Con 30, Int 30, Wis 40, Cha 34; Base Atk +60; CMB +84; CMD 98; Feats Blind-Fight, Cleave, Combat Expertise, Combat Reflexes, Diehard, Endurance, Great Cleave, Great Fortitude, Greater Bull Rush, Greater Disarm, Greater Grapple, Greater Overrun, Greater Sunder, Greater Trip, Greater Vital Strike, Improved Bull Rush, Improved Disarm, Improved Grapple, Improved Initiative, Improved Iron Will, Improved Overrun, Improved Sunder, Improved Trip, Improved Unarmed Strike, Improved Vital Strike, Iron Will, Lightning Reflexes, Power Attack, Quicken Spell-Like Ability (control water), Vital Strike; Skills Bluff +75, Craft (stonework) +73, Diplomacy +72, Heal +75, Knowledge (arcana) +73, Knowledge (engineering) +70, Knowledge (history) +70, Knowledge (nature) +73, Knowledge (planes) +73, Knowledge (religion) +70, Perception +78, Sense Motive +78, Spellcraft +73, Stealth +55, Survival +75, Swim +87. Languages all, telepathy 1 mile.
SPECIAL ABILITIES AND SPELL-LIKE ABILITIES
Spell-Like Abilities (CL 30th; concentration +42): constant—freedom of movement, true seeing; at will—Control Water, Water Breathing, detect magic; 3/day—Dispel Magic, Greater Restoration, heal; 1/day—control weather, tsunami, miracle (restore waters only). Spell effects use their Pathfinder versions.
Water Domain. Granted power: Icicle (Sp); greater power: Body of Ice (Su). Domain spells by spell level: 1st obscuring mist, 2nd fog cloud, 3rd Water Breathing, 4th Control Water, 5th ice storm, 6th cone of cold, 7th elemental body IV (water form), 8th horrid wilting, 9th elemental swarm (water only). This is the standard cleric Water Domain selection, not a separate caster list for his avatar.
Divine Estate
Within the Stillwell Depths, Apsu can raise or lower existing freshwater by 30 ft. once per round as a supernatural effect. A barred freshwater door in his estate can be opened only by his name or by a spell that overcomes his SR. When the manifestation is destroyed, connected springs continue to flow but the divine estate protections lapse for 24 hours.
Apsu — D&D 3.5e
Apsu, the First Freshwater
Gargantuan Outsider (Aquatic, Extraplanar); Hit Dice 60d8+600 (870 hp); Initiative +8; neutral; CR 39 (epic campaign estimate).
Speed 40 ft., swim 140 ft., burrow 40 ft. through wet earth; AC 46 (–4 size, +4 Dex, +36 natural), touch 10, flat-footed 42; Base Attack/Grapple +60/+88; Attack slam +72 melee (6d10+16 plus 4d8 cold); Full Attack 2 slams +72 melee (6d10+16 plus 4d8 cold); Space/Reach 20 ft./20 ft.
Special Attacks first deluge, stillwell aura, spell-like abilities; Special Qualities damage reduction 20/epic, immunity to cold and poison, resistance to acid 30 and electricity 30, spell resistance 50, darkvision 60 ft., true seeing, divine manifestation; Saves Fort +44, Ref +38, Will +49; Abilities Str 42, Dex 18, Con 30, Int 30, Wis 40, Cha 34.
Skills Concentration +73, Knowledge (arcana) +73, Knowledge (the planes) +73, Listen +80, Sense Motive +78, Spellcraft +73, Spot +80, Swim +87. Feats Alertness, Blind-Fight, Cleave, Combat Expertise, Combat Reflexes, Diehard, Endurance, Great Cleave, Great Fortitude, Improved Bull Rush, Improved Disarm, Improved Grapple, Improved Initiative, Improved Overrun, Improved Sunder, Improved Trip, Improved Unarmed Strike, Iron Will, Lightning Reflexes, Power Attack, Quicken Spell-Like Ability (control water). Environment the primeval freshwater depths; Organization solitary; Treasure none; Alignment always neutral; Advancement —; Level Adjustment —.
Combat
First Deluge (Su). Every 1d4 rounds, Apsu can release a 120-foot line of water 20 feet wide. Creatures in the line take 20d10 bludgeoning damage (Reflex DC 50 half) and are pushed 30 feet on a failed save. The save DC is Constitution-based.
Stillwell Aura (Su). A creature touching freshwater within 120 feet must succeed on a DC 52 Will save at the start of its turn or be slowed for 1 round; after a successful save, it is immune for 24 hours. The DC is Charisma-based.
Spell-Like Abilities. Caster level 30th. At will—Control Water, Water Breathing, detect magic, purify food and drink; 3/day—Dispel Magic, restoration, heal, legend lore; 1/day—control weather, foresight, miracle, elemental swarm (water only). Spell save DCs are 10 + spell level + Charisma modifier (+12).
Domains and Domain Spells. Apsu grants Water, Knowledge and Protection. The Water Domain spells (1st–9th) are obscuring mist, fog cloud, Water Breathing, Control Water, ice storm, cone of cold, acid fog, horrid wilting, elemental swarm (water only). Water domain granted power: turn or destroy fire creatures as a good cleric turns undead; rebuke or command water creatures as an evil cleric rebukes undead, for a total of 3 + Charisma modifier uses per day. Other domains retain their published spell lists.
Divine Realm and Omens
Where underground rivers meet, Apsu can direct the current, suppress noise, and show a vision of a past event reflected in the water. His influence ends with his manifestation; it does not extinguish the watery realm.
Sources and Interpretation
The myth of Apsu’s plot, his death at Ea’s hands and Ea’s residence in the Abzu is described in the Babylonian Enūma eliš. The Ancient Mesopotamian Gods and Goddesses project (ORACC) documents Enki/Ea and the underground Abzu. The Babylonian Creation Epic commentary discusses Ea’s victory and the cosmological role of primordial waters. The Stillwell Depths, cults, manifestations and encounters are fictional campaign elaborations.
See the Mesopotamian Pantheon and Tiamat for the wider first-divine-generation cycle.
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