How Do You Use Omens and Prophecies in a 5e Campaign?

Show players a possible future—then make them decide what it means.

by Jackson Dean Chase

Founder and Lead Designer, MageGate Games

Why trust this guide?

MageGate Games founder and lead designer Jackson Dean Chase is a USA Today bestselling author, veteran Game Master with more than 40 years of gaming experience, and the author of dozens of 5e-compatible sourcebooks and GM resources.

MageGate Games was founded to create practical tools that help Game Masters prepare faster, make stronger decisions at the table, and build more memorable campaigns.

MageGate has published extensive 5e material dealing with fantasy religion, divine rites, cults, temples, rituals, omens, prophecies, and supernatural traditions—including the Game Master’s Guide to Rites and Rituals. This guide focuses specifically on using predictions and signs as flexible campaign tools without sacrificing player agency.

If you'd like to learn more about building better religions and cults in 5e, check out our full guides:

• 5e Fantasy Religion and Cults
• How Do You Build a Fantasy Pantheon in 5e?
• How Do You Make Religion Matter in Everyday Fantasy Life?
• How Do You Create a Believable Cult in 5e?

Give Information Without Giving the Answer

The biggest danger with prophecy is making it too clear.

If an oracle says:

“Lord Varek will murder the king in the throne room at midnight three days from now.”

the players do not have a mystery.

They have an appointment.

A stronger prophecy provides useful information without explaining exactly what it means.

For example:

“When the crown stands beneath a moonless sky, the trusted blade will drink royal blood.”

Now several questions remain:

• Which crown?
• Which ruler?
• What is the “trusted blade”?
• Is the blade a weapon or a person?
• Does “drink royal blood” mean murder, injury, sacrifice, or something else?
• When will the moonless sky matter?

The prophecy has direction.

It does not have certainty.

That gives players something to investigate.

Use Omens for Immediate Tension

Prophecies usually point toward larger events.

Omens work especially well at the scene and session level.

An omen can suggest:

• Danger
• Betrayal
• Death
• Victory
• Bad luck
• Divine displeasure
• A coming visitor
• A change in weather
• A political upheaval
• Supernatural activity

The omen does not need to explain what caused it:

• A flock of dead birds falls onto a wedding procession.
• Every flame in a temple burns blue.
• A newborn animal has two shadows.
• A sacred bell rings when nobody touches it.
• A river briefly runs backward.

The sign matters because characters and NPCs react to it.

Decide Who Interprets the Sign

An omen without interpretation is just unusual scenery.

Someone should care what it means.

That may be:

• A priest
• An oracle
• A ruler
• A cult leader
• A scholar
• A fortune teller
• A frightened villager
• A skeptical wizard
• The player characters themselves

Different people can interpret the same sign differently.

That is often more useful than establishing one correct answer immediately.

A priest sees divine warning.

A general sees an opportunity to delay battle.

A rival temple claims the omen condemns the king.

A skeptic says it is coincidence.

A cult insists it fulfills the first line of an ancient prophecy.

Now the omen has entered the world socially and politically.

Build Multiple Plausible Interpretations

A strong prophecy should support more than one reasonable reading.

You can create ambiguity through:

• Metaphor
• Symbolic titles
• Missing context
• Double meanings
• Uncertain timing
• Unknown identities
• Conditional language
• Cultural references
• Translation differences
• Fragmentary texts

Suppose an old prophecy says:

“The wolf shall open the western gate.”

That could mean:

• A person whose heraldry features a wolf
• An actual beast
• A military company called the Wolves
• A traitor nicknamed Wolf
• A constellation
• A ritual symbol
• A siege engine shaped like a wolf

The prophecy becomes useful because players can form theories.

Theories create decisions.

Preserve Player Agency

Prophecy should create choices, not erase them.

Avoid writing predictions that require players to take one specific action.

Instead, predict:

• Conditions
• Threats
• Consequences
• Opportunities
• Possible outcomes

Better:

“If the Black Crown is restored, three kingdoms will burn.”

This gives players options:

• Destroy the crown.
• Hide it.
• Use it.
• Give it to someone else.
• Discover whether the prophecy is true.
• Find out what “burn” means.

Worse:

“The heroes will restore the Black Crown and place it upon the rightful heir.”

That assigns the players a script.

Players should be able to surprise the prophecy—even if their attempt to avoid it creates new problems.

Make Prophecies Conditional

One of the easiest ways to preserve agency is to make prophecy depend on choices.

Use structures such as:

• If X happens, Y follows.
• Unless X is prevented, Y occurs.
• When X and Y coincide, Z becomes possible.

For example:

“If the dead king receives a living crown, the gates beneath the earth will open.”

Now the future is not fixed.

The prophecy describes a relationship between events.

Players can investigate each part and interfere with the conditions.

That transforms prophecy from predetermined plot into actionable intelligence.

Let Attempts to Prevent Prophecy Matter

One of the strongest prophecy patterns is the self-fulfilling prediction.

The prophecy does not force events.

Characters cause the predicted outcome because they are trying to stop it.

A king hears that his youngest child will overthrow him.

He imprisons the child.

The imprisonment creates the resentment and alliances that eventually lead to rebellion.

The prophecy becomes powerful because belief changes behavior.

You can also reverse this.

Players may prevent the expected outcome precisely because they took the warning seriously.

Both approaches preserve agency because choices still matter.

Use Partial Fulfillment

Do not wait until the end of the campaign to prove a prophecy relevant.

Let pieces come true.

For example:

A prophecy mentions:

• a broken tower
• a blind queen
• seven bells
• a red river

Early in the campaign, the party encounters the ruined tower.

Later they learn a queen has lost her sight.

Months afterward, temple bells ring seven times during an eclipse.

Now the players are watching for the river.

Partial fulfillment builds tension without explaining the final meaning.

It also reassures players that the prophecy is not meaningless flavor text.

Use False and Misleading Predictions Carefully

Not every prophecy needs to be genuine.

But if every prophecy is fake, players will stop caring.

Possible sources of false predictions include:

• Fraud
• Misinterpretation
• Political manipulation
• Incomplete visions
• Deliberately altered scripture
• A deceptive supernatural entity
• Genuine visions interpreted incorrectly

A false prophecy should usually reveal something useful.

Perhaps the prediction itself is wrong, but the person spreading it has a political objective.

Perhaps the prophet is a fraud but accidentally uncovers a real conspiracy.

Perhaps an ancient text was altered centuries ago.

The failed prediction still creates story.

Make the Source Matter

The same prophecy feels different depending on where it came from.

Possible sources include:

• A god
• An angelic or fiendish messenger
• A dead saint
• An oracle
• A psychic
• A dream
• A sacred text
• An ancient inscription
• A cursed relic
• A dying seer
• A spirit
• An astrological event

Source affects credibility.

A prophecy carved into a tomb two thousand years ago carries different weight than something a stranger whispers in a tavern.

A respected oracle being wrong once can destabilize an entire religion.

A known fraud making one terrifyingly accurate prediction can be even more unsettling.

Turn Prediction Into Play

A prophecy becomes useful when it generates action.

Ask:

What can the players do because they learned this?

They might:

• Investigate a symbol
• Protect a predicted victim
• Find a missing text
• Locate the prophet
• Seek another interpretation
• Prevent a condition from occurring
• Deliberately trigger a condition
• Decide who should know
• Conceal the prophecy
• Expose a false prophecy
• Determine whether someone has altered it

The prediction should create a new problem or opportunity.

It should not merely tell players what the GM already plans to happen.

Use Rites, Oracles, and Divination as Delivery Systems

How the characters receive a prediction can matter as much as the prediction itself.

A prophecy delivered by a priest during a public ceremony creates witnesses and political consequences.

A psychic reading creates uncertainty about whether the reader is genuine.

A dream isolates the recipient.

An omen witnessed by an entire city can create panic.

An ancient text requires interpretation.

The Game Master’s Guide to Rites and Rituals includes material dealing with omens, prophecies, fortune tellers, psychics, religious rites, and other supernatural prediction traditions, making it useful when you want the method of revelation itself to become part of play.

The delivery mechanism can create its own encounter.

• Explore the Game Master’s Guide to Rites and Rituals

Use a Prophecy Design Template

You can build a usable prophecy quickly by answering seven questions.

For the prophecy:

1. What future threat, opportunity, or change does it point toward?
2. What does it reveal clearly?
3. What does it leave ambiguous?
4. Who delivered or recorded it?
5. Who believes it?
6. What competing interpretations exist?
7. What can the players actually do because they know about it?

If question seven has no good answer, the prophecy may be lore rather than playable material.

That is not necessarily bad.

But if you want it to drive the campaign, players need leverage.

Example: The Crown Beneath the Tide

An old coastal prophecy reads:

“When the drowned crown rises beneath a bloodless moon, the harbor king shall open the gate that no living hand can close.”

The prophecy establishes several facts without explaining them.

Known elements:

• There is a drowned crown.
• Something called the harbor king matters.
• A specific celestial condition matters.
• A gate may be opened.

Unknown elements:

• Is the crown literal?
• Who or what is the harbor king?
• What is the gate?
• Why can no living hand close it?
• Is opening it necessarily bad?

Different factions interpret it differently:

• A temple believes the prophecy warns against recovering a lost royal relic.
• A merchant family believes “harbor king” refers to whoever controls the city docks.
• A cult believes the gate leads to their sleeping god.
• A scholar thinks the prophecy describes an ancient tidal mechanism beneath the city.

Now the party can investigate.

Eventually they may discover that several interpretations are partly correct.

That is much more useful than simply telling them what will happen.

How MageGate Games Approaches Omens and Prophecy

A useful prediction should create uncertainty with direction.

Players should know enough to care.

They should not know enough to stop thinking.

Ask:

• What does this prediction suggest?
• What remains unclear?
• Who believes it?
• Who benefits from a particular interpretation?
• What decision can the players make because of it?
• What changes if they are wrong?

The goal is not to trick players.

The goal is to give them information whose meaning must be discovered through play.

Omen and Prophecy Checklist

Clarity:

• Does the prediction contain at least one useful piece of information?
• Can players understand why it matters?
• Is the wording memorable enough to recall later?

Ambiguity:

• Is something important open to interpretation?
• Can more than one explanation reasonably fit?
• Have you avoided making the future completely explicit?

Agency:

• Can the players respond meaningfully?
• Can their decisions alter the outcome?
• Does the prophecy describe possibilities or conditions rather than dictate their actions?

Campaign use:

• Can parts of the prediction appear before final fulfillment?
• Can NPCs disagree about its meaning?
• Does learning about it create an adventure, decision, or complication?

If those answers are yes, the prophecy is probably doing useful work.

Frequently Asked Questions

Should prophecies always come true?

No. A prophecy can be true, partly true, conditional, misinterpreted, corrupted, or false. What matters is that players have reason to take it seriously.

Should omens always be supernatural?

No. An omen can be coincidence, fraud, natural phenomenon, genuine supernatural intervention, or something whose cause remains unknown. The reaction to the omen may matter more than its objective source.

How vague should a prophecy be?

Ambiguous enough to support interpretation, but specific enough to matter. “Darkness will come” is too vague to be useful. “When the last bell rings beneath a red moon, the western gate will open” provides concrete elements without explaining what they mean.

How do I use prophecy without railroading players?

Predict circumstances and consequences rather than player actions. Tell players what might happen if certain conditions occur, then let them decide what to do about those conditions.

What if the players completely derail my prophecy?

Let them. If their choices logically prevent the predicted event, that can become the story.

You can also reveal that the prophecy was conditional, misunderstood, or referred to something different.

Do not force events solely because you wrote them in advance.

Show the Future Without Owning It

Omens and prophecies work best when they reveal possibility rather than certainty.

Give players signs.

Give them fragments.

Give them conflicting interpretations.

Let some pieces come true.

Let some remain unresolved.

Most importantly, give players something they can do with the information.

A prophecy should make the future feel dangerous and meaningful.

It should not make the future predetermined.

Put Omens and Prophecies Into Play

The Game Master’s Guide to Rites and Rituals includes material for using omens, prophecies, fortune tellers, psychics, rites, festivals, cults, temples, and supernatural traditions in fantasy campaigns.

Its treatment of supernatural prediction includes different forms of fortune telling and psychic readings as well as tools for turning religious and mystical practices into active campaign material.

The majority of the book is system neutral, while its rules material is designed for the 2014 5e and 2024 5.5e rules and can be adapted to OSR and other fantasy TTRPGs.

• Explore the Game Master’s Guide to Rites and Rituals

Explore More 5e Religion Advice from MageGate Games

Continue with:

• 5e Fantasy Religion and Cults
• How Do You Build a Fantasy Pantheon in 5e?
• How Do You Make Religion Matter in Everyday Fantasy Life?
• How Do You Create a Believable Cult in 5e?

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