The contingency spell description states:

Instead, it takes effect when a certain circumstance occurs. You describe that circumstance when you cast the two spells.

There is nothing written that requires the circumstance is perceivable, in contrast with how you can Ready an action. It also does not limit the distance. It also does not limit the details you could come up with (since 10 minutes is pretty long time). Possible scenario on my mind:

When the King Leo XIII died. I wouldn't have known since I'm so far away, but when the Message cantrip takes effect, whispering my previous Message, now I know he is dead.

I've just realized that this spell is insanely powerful and can be abused if not properly limited. What are the limitations, anyway?

  • \$\begingroup\$ With the message example, would you be whispering to yourself since the contingent spell takes effect on you? \$\endgroup\$ – V2Blast Sep 3 '18 at 17:12
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    \$\begingroup\$ @V2Blast yes. Message tells you to point on one creature, and you can point on yourself. Usually, this is pointless, because you would hear the whisper as you speak it, but in this case it will be delayed until the circumstance is met. \$\endgroup\$ – Vylix Sep 3 '18 at 17:48

There are no qualifiers on the "circumstance" in the spell, and "circumstance" is an awfully broad term in plain English. It can mean literally the things around you, or metaphorically so, or it can be anything which is connected to and influences another thing.

From Merriam-Webster:

1a: a condition, fact, or event accompanying, conditioning, or determining another

In the case of the spell, the "another" is the contingent spell. So, the "circumstance" is any condition, fact, or event that you by the magic of this spell link to the activation of that other spell. (That is, you describe a condition, fact, or event which — in this case — determines the activation of other.)

This leaves the DM to determine exactly what is a reasonable trigger; it is a 6th-level spell, which is fairly powerful, but not invincible. I'd look to true seeing (also 6th level) and scrying (5th) for some bounds to reasonableness.

Of course, it's also worth consider the example given — water breathing "when you are engulfed in water or a similar liquid" — which is clearly both local and immediate. There's no clear requirement of that, though, and as a DM I'd allow it to work based on things that happen far away. Having something happen when a wizard's lab is invaded, or sure, notifies the suspicious grand vizier when the king dies seems fun for story to me. And, it's still got an expensive component (even if not consumed), along with the opportunity cost of not allowing another more immediate contingency to be active.

On the other hand, I wouldn't allow probing broad truths of the metaverse by testing if facts are, indeed, facts — not by any particular rule but just because that seems out of scope. However, there's definitely room in the spell for another DM to rule more broadly.


By the way the effect is described, it’s limited to the situation immediately around you. That’s what “circumstance” means.

a condition, detail, part, or attribute, with respect to time, place, manner, agent, etc., that accompanies, determines, or modifies a fact or event; a modifying or influencing factor: Do not judge his behavior without considering every circumstance.

The circumstances of the spell are the details, parts, etc. affecting where the ongoing contingency spell exists. It doesn’t include other places, events, or times. (No sensing events in the future, across a continent, or on another Earth!)


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