Fons (Fontus) — Roman God of Springs and Wells
Fons at a Glance
Tradition
Roman
Divine standing
Lesser Deity
Campaign alignment
Neutral Good
Portfolio
Springs, wells, fountains, fresh water, water sources and the sanctity of flowing supply
Principal festival
Fontinalia, 13 October
Sacred places
Springs, wells, fountains, the Janiculum altar tradition and the shrine associated with the Porta Fontinalis
Emblems
Spring, well-head, garland and flowing cup
Favoured weapon
Staff
Related Roman powers
Roman Pantheon · Springs · Wells · Fresh Water · Fontinalia
Fons, also called Fontus, is the Roman god of springs, wells and fresh water sources. His cult belongs to the source itself: water emerging from the earth before engineers channel it elsewhere.
Divine Mechanics
Fons — 5.5e Rules-Facing Form
Medium Celestial (Deity), Neutral Good
CR 32 (custom epic) · PB +9 · Campaign Divine Tier 26
AC 24 · HP 480 · Speed 40 ft., swim 60 ft.
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
| 20 (+5) | 24 (+7) | 28 (+9) | 24 (+7) | 30 (+10) | 26 (+8) |
Saving Throws Con +18, Wis +19, Cha +17
Skills Medicine +16, Nature +16, Perception +16, Religion +13
Damage Resistances cold, poison, radiant; bludgeoning, piercing and slashing from nonmagical attacks
Condition Immunities Charmed, Frightened, Poisoned
Senses Truesight 90 ft. · Languages all; telepathy 90 ft.
Traits
Legendary Resistance (5/Day). If Fons fails a saving throw, he can choose to succeed instead.
Sacred Source. Water created or purified by Fons remains wholesome for 24 hours unless altered by an artifact or deity.
Know the Spring. Fons always knows the direction of the nearest natural fresh-water source within 1 mile.
Divine Spellcasting
Fons has access to every spell granted by the deity’s portfolio domains in the edition being used: Water · Healing · Purification · Community. Those spells are always prepared or available to the deity.
Actions
Multiattack. Fons makes three Spring Staff attacks.
Spring Staff. Attack: +19 to hit, reach 10 ft. Hit: 22 (3d8 + 9) bludgeoning plus 14 (4d6) radiant damage.
Fontinalia Flow (Recharge 5–6). A 60-foot line of clear water forces enemies to make a DC 27 Strength save, taking 45 (10d8) bludgeoning damage and being pushed 30 feet on a failure. Allies touched by the water may end Poisoned.
Bonus Actions
Fresh Draught. One ally within 60 feet regains 18 (4d8) Hit Points and may repeat a save against disease or poison.
Reactions
Clean Water. When water within 60 feet becomes poisoned or contaminated, Fons may immediately purify up to a 20-foot cube.
Legendary Actions
- Move. Move up to half Speed.
- Divine Strike. Make one Spring Staff attack.
- Open the Spring (Costs 2). A point of ground within 60 feet produces fresh drinkable water until the end of Fons’s next turn.
Fons — Pathfinder 1e
Campaign divine extension.
Benchmark CR 32 (custom epic). Emphasise purification, healing, spring-finding and fresh-water control.
Spell-Like Abilities. At will—create water, purify food and drink, remove disease; 3/day—control water, heal; 1/day—miracle.
Statistics
CR 32 (custom epic) · AC 50 · hp 820 · Fort +35 · Ref +31 · Will +36
Str 20 · Dex 24 · Con 28 · Int 24 · Wis 30 · Cha 26
Base Atk +32 · CMB +37 · CMD 86
Domain Access
Fons has full access to the deity’s linked portfolio domains in their Pathfinder-facing versions or clearly marked campaign adaptations.
Fons — D&D 3.5e
Lesser Deity; Divine Rank 6; NG Medium Outsider (Extraplanar)
Divine Rank 6 · DR 20/epic · SR 38 · Domain SLA caster level 16.
Salient Divine Abilities. Divine Healing, Power of Nature and rank-appropriate water abilities.
Statistics
Challenge benchmark 38. Ability scores may exceed 30 where the deity’s divine nature requires it; Divine Rank remains the primary measure of cosmic authority.
Domain Access
Fons can use every spell-like ability granted by the deity’s portfolio domains at the caster level determined by Divine Rank.
Regional Effects
Where Fons’s presence is strong, a major sanctuary can project the following effects across roughly six miles. A small shrine normally manifests only one effect in a smaller area. Unless another divine power contests them, the effects fade over 1d10 days after the sanctuary is abandoned or desecrated.
Springs Stay Sweet
Natural springs and properly maintained wells resist ordinary contamination and develop an obvious taste or colour if deliberately poisoned.
Water Can Be Found
Those searching for groundwater hear faint echoes or feel sudden coolness when a viable spring or aquifer lies nearby.
Fountains Restore
A creature that drinks clean water from a consecrated fountain after a Short Rest gains Advantage on its next save against fatigue, poison or disease.
Fons in Roman Religion
Roman evidence preserves an altar of Fontus or Fons on the Janiculum and a shrine dedicated in 231 BCE near the Porta Fontinalis. The Fontinalia honoured springs and water sources on 13 October.
Fons is not the sea and not the engineered aqueduct. He is the sacred origin point where drinkable water emerges from ground or well.
What Is Fons Doing Right Now?
Growing towns need more water than old wells can provide. Fons becomes active when communities drain springs, contaminate sources or discover that a new water supply belongs to an older sacred landscape.
His cult is often the first to notice magical poisoning because priests know how the water tasted before anyone thought to test it.
Worship in the Campaign Present
Well-keepers, water carriers, rural settlements and people responsible for fountains honour Fons.
Garlands and offerings at springs survive because water sources remain life-and-death infrastructure even where aqueducts exist.
Domains, Spells and Divine Gifts
Fons’s clergy favour Water, Life and Protection themes. Suitable spells include Create or Destroy Water, Purify Food and Drink, Lesser Restoration, Control Water, Greater Restoration and Heal.
Gift: Find Fresh Water
The devotee can sense the nearest natural fresh-water source within 1 mile if it is not magically concealed.
Gift: Pure Cup
Once per long rest, the devotee can purify enough mundane water for twenty people.
Artifacts and Relics
The Fontinal Cup
Major Divine Artifact · Wondrous Item (cup)
Attunement: None.
5.5e
Silver Warning. Water placed in the Cup flashes silver if it contains poison, disease-causing contamination or a harmful alchemical substance.
Purify the Draught (3/Day). Up to 1 gallon of liquid in the Cup is cleansed of mundane poison and disease.
Spring’s Renewal (1/Day). A creature drinking clean water from the Cup regains 4d8 + 8 Hit Points and can repeat one saving throw against Poisoned or a disease with Advantage.
Pathfinder 1e
Major Artifact · CL 18th. Harmful contamination turns water silver. 3/day: purify food and drink on up to 1 gallon; 1/day: drinking from it grants cure critical wounds and a new save against poison or disease with +4 sacred bonus.
D&D 3.5e
Major Artifact · CL 18th. Contaminated water turns silver. 3/day: purify up to 1 gallon; 1/day: a drinker receives cure critical wounds and a new save against poison or disease with +4 sacred bonus.
Destroying the Cup
The Cup can be destroyed only when a keeper knowingly serves poisoned water from it to a community that trusts the vessel and refuses every chance to warn them before the first victim drinks.
The Janiculum Reed
Lesser Divine Relic · Wondrous Item (reed)
Held loosely outdoors, the Reed bends toward the nearest natural underground spring within 1 mile. It does not point toward wells filled from cisterns or artificial reservoirs. In PF1e and 3.5e it grants +4 on Survival checks made to locate natural water.
Relationships
Juturna governs a famous healing spring; Neptune water on the broadest and most dangerous scale; Cloacina civic drainage. Fons is the source of clean fresh water itself.
Use Fons Tonight
The Well Runs Uphill
A village spring begins flowing back into the rock.
The Garlands Turn Black
Fontinalia decorations darken only at one public fountain.
The Hidden Source
A besieged town hears running water beneath a sealed Roman cellar.
Deep Dive
Continue through the Roman Pantheon, Juturna, Neptune. Follow the cult into Rome and wider Italy, or use the Cleric and Cleric Domains pages for player-facing worship.
Historical Sources and Rules Compatibility
- Fons and Roman springs — shrine, Fontinalia and water cult.
Historical cult material is separated from campaign invention. Mechanics and relics are original game material.
Rules licensing. D&D 5.5e terminology derived from the System Reference Document 5.2.1 is used under CC BY 4.0 where applicable. Pathfinder 1e and D&D 3.5e deity statistics on this page are original campaign conversions rather than official published deity stat blocks.