Iris, Goddess of the Rainbow

Painted portrait of Iris, Greek rainbow goddess and herald of Olympus
Painted illustration: Midjourney.

A rainbow crosses the mountain road after the storm, and a divine messenger arrives carrying an oath no ruler can afford to break. Iris serves Zeus and Hera, but her herald’s duty is not the same as obedience to every mortal king.

At a Glance

Identity
Iris, goddess of the rainbow and divine messages
Origin
Daughter of Thaumas and Electra; sister of the Harpies in Hesiod
Alignment
Neutral Good; protects honest messages and safe passage
Divine rank
Lesser deity
Divine seat
Olympian Glades on Arborea; travels between divine and mortal realms
Divine relationships
Zeus and Hera; distinct from Hermes
Sacred signs
Rainbow, golden wings and a pitcher of Styx water
Relic
Golden Pitcher of the Styx — campaign interpretation of her mythic duty
Domains
Light in D&D 2024/2014; Air, Good, Travel in older editions
Worship
Heralds, envoys and travellers seeking a safe crossing
The Sevenfold Rainbow — herald’s sign of Iris.

Iris is a messenger goddess in Greek mythology, known as the personification of the rainbow and the messenger of the gods. She is often depicted with wings on her shoulders and a caduceus in her hand, flying between the world of gods and mortals. Iris is a loyal and obedient servant of Zeus and the other Olympian gods, always ready to carry out their commands and deliver their messages to the mortals below.

Despite being a minor goddess, Iris plays a crucial role in the myths and legends of Ancient Greece. She is often called upon to deliver messages of hope, warning, or instruction to mortals in times of crisis, and is greatly respected and revered by the people for her power and wisdom. As a symbol of the rainbow, she is also associated with fertility and abundance, and is often invoked by those seeking good fortune or blessings from the gods.

Iris’s devotion to the gods and her duties as a messenger are her driving forces in life. She takes pride in her ability to swiftly and accurately deliver messages to both gods and mortals, and sees it as her purpose to ensure that communication flows smoothly between the divine and mortal realms. Although she may sometimes feel frustrated with the whims of the gods or the ignorance of mortals, Iris remains steadfast in her loyalty and dedication to her duties.

Iris is a beautiful and radiant being, often described as having long, flowing hair the color of the rainbow. Her skin is fair and flawless, with eyes that sparkle like diamonds. She wears a white tunic and a cloak made of clouds, and is often depicted with wings on her back, which allow her to move quickly and gracefully through the skies. Overall, Iris exudes a sense of purity and grace, embodying the essence of the rainbow she represents.

Overall, Iris is a respected and important figure in Greek mythology, revered for her speed, wisdom, and ability to bridge the gap between the divine and mortal realms. Her legacy lives on today in the form of the word “iris,” which refers to the colored part of the eye as well as the flower of the same name, both of which are associated with beauty and vitality.

Iris in Play

Iris, Goddess of the Rainbow
Midjourney

Divine Mechanics

Choose one rules edition. The following are original divine manifestations, not interchangeable stat blocks; defeating one does not kill Iris herself.

Iris, Rainbow Herald of Olympus

Large Celestial (Deity), Neutral Good. Original divine manifestation; CR 30 (155,000 XP); Proficiency Bonus +9.

Armor Class 26 (divine ward); Hit Points 580 (40d10 + 360); Speed 60 ft., Fly 120 ft. (Hover); Initiative +9 (19).

STRDEXCONINTWISCHA
20 (+5)28 (+9)28 (+9)24 (+7)28 (+9)32 (+11)

Saving Throws Dex +18, Con +18, Wis +18, Cha +20; Skills Insight +18, Perception +18, Persuasion +20; Resistances Lightning, Psychic, Radiant; Immunities Poison; Charmed, Frightened, Poisoned; Senses Truesight 240 ft., Passive Perception 28; Languages All, Telepathy 240 ft.

Traits

Immortal Messenger. Iris requires no air, food, drink or sleep. A defeated manifestation returns to Olympus; the goddess herself is not destroyed. Magic Resistance. Iris has Advantage on saving throws against spells and magical effects. Legendary Resistance (4/Day). Iris can succeed on a failed saving throw.

Herald’s Passage. Iris ignores nonmagical Difficult Terrain and can cross an unattended gateway she can see within 120 feet without using movement. No power here overrides a ward maintained by an equal or greater deity.

Spellcasting. Iris uses Charisma for spells (spell save DC 28, +20 to hit with spell attacks) and needs no material components. At Will: Detect Magic, Disguise Self, Fly, Message, Misty Step; 3/Day Each: Dimension Door, Greater Invisibility, Sending; 1/Day Each: Foresight, Gate, Plane Shift.

Actions

Multiattack. Iris makes three Rainbow Lance attacks. Rainbow Lance. Ranged Spell Attack: +20 to hit, range 180 ft., one target. Hit: 33 (4d10 + 11) Radiant damage plus 18 (4d8) Force damage.

Sevenfold Radiance (Recharge 5–6). Creatures Iris chooses in a 30-foot-radius Sphere centred on a point within 150 feet make a DC 28 Dexterity saving throw. Each takes 66 (12d10) Radiant damage and is Blinded until the end of its next turn on a failure, or half damage without being Blinded on success.

Rainbow Bridge (1/Day). Iris forms a luminous bridge up to 1 mile long and 20 feet wide between two positions she can see. It lasts 1 hour, bears any amount of weight normally supported by a stone roadway, and is Difficult Terrain to hostile creatures. Only Iris can dismiss it early.

Bonus Actions and Reactions

Herald’s Flight (Bonus Action). Iris flies up to half her speed without provoking Opportunity Attacks. Oath-Witness (Reaction; 3/Day). When a creature Iris sees within 120 feet lies knowingly in a sworn agreement, Iris forces it to make a DC 28 Charisma saving throw. On failure it cannot benefit from Advantage on D20 Tests until the end of its next turn. The oath’s consequences must still be played out.

Legendary Actions

Iris has 3 legendary actions, one at a time at the end of another creature’s turn, recovering them at the start of her turn. Lance. Iris makes one Rainbow Lance attack. Messenger Step (Costs 2 Actions). Iris teleports up to 60 feet. Unbreakable Message (Costs 3 Actions). A creature Iris sees within 60 feet must succeed on a DC 28 Wisdom saving throw or become Incapacitated until the end of its next turn as a divine proclamation overwhelms its senses.

Divine Estate and Regional Effects

Within her own sky-bridge sanctuary Iris can shift a doorway between the mortal and divine roads at initiative count 20 (losing ties), cast a 30-foot-radius veil of colourful light or grant three allies 20 Temporary Hit Points. She cannot use the same estate action on consecutive rounds. Rainbow arcs that persist after storms are signs, not automatic portals.

Cleric Domains and Domain Spells

Light Domain (2024): Cleric Level 3—Burning Hands, Faerie Fire, Scorching Ray, See Invisibility; Level 5—Daylight, Fireball; Level 7—Arcane Eye, Wall of Fire; Level 9—Flame Strike, Scrying. Light represents the rainbow; the spells are for Iris’s clerics, not additional daily uses for the goddess.

Iris, Winged Herald of the Gods

Large celestial (deity), neutral good. Original D&D 2014 divine manifestation. Challenge 30 (155,000 XP); Proficiency Bonus +9.

Armor Class 28 (divine armour); Hit Points 775 (50d10 + 500); Speed 80 ft., fly 120 ft. (hover).

STRDEXCONINTWISCHA
30 (+10)30 (+10)30 (+10)30 (+10)30 (+10)30 (+10)

Saving Throws Int +19, Wis +19, Cha +19; Skills Perception +19, Persuasion +19; Damage Resistances radiant; bludgeoning, piercing and slashing from nonmagical attacks; Damage Immunities psychic; Condition Immunities charmed, frightened, paralyzed, poisoned; Senses truesight 120 ft., passive Perception 29; Languages all; telepathy 120 ft.

Traits

Divine Awareness. Iris knows when a creature deliberately breaks a solemn oath made in her presence, and sees nearby magical passages. This does not locate every being on her plane.

Innate Spellcasting. Iris’s spellcasting ability is Charisma (spell save DC 27; +19 to hit with spell attacks). No material components are required. At will—fly, invisibility, locate creature, pass without trace, wind walk; 3/day each—chain lightning, control water, mass suggestion, prismatic spray; 1/day each—gate, wish.

Magic Resistance. Iris has advantage on saving throws against spells and magical effects. Legendary Resistance (4/Day). Iris may succeed on a failed saving throw.

Actions

Multiattack. Iris makes three Rainbow Blast attacks. Rainbow Blast. Ranged Spell Attack: +19 to hit, range 300 ft., one target. Hit: 70 (20d6) radiant damage.

Rainbow Bridge (1/Day). Iris creates a solid 1-mile-long bridge of light, 20 feet wide, within her sight. It lasts for 1 hour. Hostile creatures treat it as difficult terrain; Iris may dismiss the bridge as a bonus action.

Rainbow Burst (Recharge 5–6). Each creature Iris chooses in a 30-foot Cone makes a DC 27 Constitution saving throw. On a failure a creature takes 55 (10d10) radiant damage plus 22 (4d10) force damage and is blinded until the end of its next turn; on success it takes half as much damage and is not blinded.

Legendary Actions

Iris can take 3 legendary actions, one at a time at the end of another creature’s turn, regaining them at the start of her turn. Rainbow Ray. One Rainbow Blast attack. Messenger Flight (Costs 2 Actions). Fly up to 60 feet without provoking opportunity attacks. Rainbow Snare (Costs 3 Actions). One creature within 120 feet makes a DC 27 Dexterity saving throw or is restrained by strands of light until the end of its next turn.

Divine Estate and Cleric Domain

In her sanctuary, initiative count 20 (losing ties) can open a 60-foot bridge of light, create a rainbow mirage in a 20-foot-radius area or grant three allies 20 temporary hit points. The same effect cannot repeat in consecutive rounds.

Light Domain (2014): Cleric Level 1—burning hands, faerie fire; 3—flaming sphere, scorching ray; 5—daylight, fireball; 7—guardian of faith, wall of fire; 9—flame strike, scrying. These spells belong to her clerics.

Iris, Swift Messenger of Olympus CR 30/MR 10

XP custom divine encounter; NG Large outsider (extraplanar, good, mythic). Original Pathfinder manifestation, not a published goddess stat block.

Init +12; Senses true seeing 240 ft., darkvision 60 ft.; Perception +51; Aura Herald’s Safe Passage (60 ft.).

Defense

AC 43, touch 27, flat-footed 35 (–1 size, +8 Dex, +16 natural, +10 deflection); hp 558 (36d10+360); Fort +32, Ref +30, Will +31; DR 20/epic; Immune poison, fear; Resist electricity 20, cold 20; SR 42.

Offense

Speed 60 ft., fly 120 ft. (perfect); Melee +5 herald’s staff +49/+44/+39/+34 (2d6+13 bludgeoning); Ranged touch Rainbow Lance +43 (8d8 force, range 180 ft.); Space 10 ft.; Reach 10 ft.; Special Attacks sevenfold radiance, safe passage, divine messenger.

Spell-Like Abilities CL 30th; concentration +41; Charisma-based saving throw DC 21 + spell level. At will—air walk, dimension door, sending; 3/day—greater teleport, plane shift, prismatic spray; 1/day—gate, miracle.

Statistics

Str 26, Dex 26, Con 30, Int 26, Wis 28, Cha 32; Base Atk +36; CMB +45; CMD 63; Feats Alertness, Combat Casting, Combat Reflexes, Craft Wondrous Item, Dodge, Great Fortitude, Improved Initiative, Iron Will, Lightning Reflexes, Mobility, Quicken Spell-Like Ability (sending), Skill Focus (Diplomacy), Skill Focus (Perception), Skill Focus (Sense Motive), Spell Penetration, Toughness, Weapon Focus (quarterstaff), Wind Stance; Skills Diplomacy +53, Fly +55, Knowledge (geography) +47, Knowledge (planes) +47, Perception +53, Sense Motive +53; Languages all; SQ mythic power 10/day (surge +1d12), divine messenger.

Special Abilities

Herald’s Safe Passage (Su). Allies of Iris within 60 feet gain +4 sacred bonus to saves against fear, charms and magic that blocks travel. This benefit does not protect a creature from the independent decree of a higher divine power.

Sevenfold Radiance (Su; Recharge 1d4 Rounds). Enemies Iris chooses in a 30-foot-radius burst within 120 feet make a DC 39 Reflex save. On failure a creature takes 12d8 light-based force damage and is blinded for 1 round; on success it takes half damage and is not blinded. The DC is Charisma-based and includes a +10 manifestation bonus.

Rainbow Bridge (Su; 1/Day). Iris forms a 1-mile-long solid rainbow bridge for 1 hour, from a point she can see to another visible point. Creatures she designates cross without fatigue or impediment.

Cleric Domains and Domain Spells

Domains Air, Good, Travel. Travel domain spells (levels 1–9): longstrider, locate object, fly, dimension door, teleport, find the path, greater teleport, phase door, astral projection. These are spells granted to her clerics and do not count as extra uses of Iris’s own spell-like abilities.

Divine Estate and Regional Effects

In her Olympian passage-hall, Iris can reveal a safe celestial doorway, grant a following wind or colour a storm cloud as a warning. She cannot enter another deity’s protected estate without leave.

Iris, Herald of the Thunderer’s Court

Neutral Good Medium outsider (extraplanar, good); Divine Rank 10 (lesser deity). Original D&D 3.5e divine manifestation. Portfolio rainbow, divine messages, swift travel, sacred oaths; Domains Air, Good, Travel; Favored Weapon quarterstaff.

Combat Statistics

Hit Dice 20d8 outsider + 20d8 cleric + 360 (680 hp, maximum divine Hit Dice); Initiative +12 (+8 Dex, +4 Improved Initiative); Speed 60 ft., fly 120 ft. (perfect); Armor Class 56 (+8 Dex, +18 natural, +10 deflection, +10 divine), touch 38, flat-footed 48; Base Attack/Grapple +20 base, +10 epic attack / +45 grapple; Attack +5 divine quarterstaff +51 melee (1d6+10 bludgeoning plus 4d8 force); Full Attack quarterstaff +51/+46/+41/+36 melee; Space/Reach 5 ft./5 ft.

Special Attacks cleric spells, salient divine abilities, rainbow bridge, oath-witness; Special Qualities Divine Rank 10, divine aura, immortality, portfolio sense, remote sensing, godly realm, DR 25/epic, SR 42, standard divine immunities; Saves Fort +43, Ref +42, Will +43 (outsider base +12, epic +10, ability, +10 divine rank and relevant +2 feats); Abilities Str 20, Dex 26, Con 28, Int 24, Wis 28, Cha 32.

Skills Bluff +64, Diplomacy +67, Knowledge (geography) +60, Knowledge (the planes) +60, Listen +64, Sense Motive +64, Spot +64; Feats Alertness, Combat Casting, Craft Wondrous Item, Dodge, Great Fortitude, Improved Initiative, Iron Will, Lightning Reflexes, Mobility, Quicken Spell, Skill Focus (Diplomacy), Spell Penetration, Toughness, Weapon Focus (quarterstaff); Languages all.

Cleric Spells and Divine Powers

Cleric Spells Prepared CL 20th, Wisdom save DC 19 + spell level. Sample preparation: 0—detect magic, guidance; 1—bless, sanctuary; 2—aid, calm emotions; 3—dispel magic, prayer; 4—air walk, freedom of movement; 5—greater command, plane shift; 6—greater dispel magic, word of recall; 7—greater restoration, repulsion; 8—holy aura, greater planar ally; 9—gate, miracle. Other prepared spells follow normal cleric slots for Wisdom 28.

Salient Divine Abilities Divine Celerity, Extra Sense Enhancement, Travel and Divine Shield. Rainbow Bridge (Su; 1/Day). Iris creates a solid bridge of light up to one mile long for 1 hour to join two visible points, provided it does not breach equal-ranked divine wards. Oath-Witness (Su). Iris detects the deliberate breach of a solemn oath made in her presence, but cannot undo the oath or erase its consequences.

Domains and Godly Realm

Air domain spells (levels 1–9): obscuring mist, wind wall, gaseous form, air walk, control winds, chain lightning, control weather, whirlwind, elemental swarm (air only). Under divine-rank rules Iris may use granted domain spells as spell-like abilities at will, CL 20th, save DC 31 + spell level. Domain spells remain available separately to her clerics.

Within her own Olympian passage-hall, Iris can set the weather, unveil lawful entrances and provide safe crossing within a 10-mile divine estate. She does not displace the authority of Zeus or Hera.

What Is Happening Right Now?

The Golden Pitcher. In 1454, a rainbow hangs over a Tuscan mountain pass long after a summer storm ends. The Iris shrine-keeper says the sign appeared when a messenger carrying an oath was murdered on the road. The sealed message names a ruler who has promised a sacred truce and already ordered his soldiers to break it. Iris has not come to bless the peace; she has come to witness whether the oath is fulfilled.

The characters must recover the golden pitcher stolen from the shrine, escort a surviving herald through the pass, and decide whether to reveal the letter to the ruler’s enemies. Armed men pursue them across a bridge visible only beneath the rainbow. If the characters misuse the Styx water, Iris withdraws her protection; if they tell the truth, they may still have to defend it with steel.

Iris, Hera and the Styx

Hesiod names Iris the daughter of Thaumas and the Oceanid Electra, sister to the Harpies. In the Iliad she frequently carries Zeus’s messages; later sources particularly associate her with Hera. Iris also fetches water of the Styx in a golden vessel when an Olympian oath must be tested. The goddess is a herald, not Hera’s enemy, and she should not be confused with Hermes, another divine messenger of different ancestry.

Sources and Licensing

Ancient sources: Hesiod, Theogony 265–269 and 780–806; Homer, Iliad (Iris as messenger); and ancient testimony on offerings to Iris at Delos. See the Greek literary sources for Iris. References to her herald’s oath-jar follow the ancient texts; the magical powers of the site’s relic and encounter statistics are original fantasy RPG adaptations. The existing portrait illustration is retained.

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