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Mastering the Hold: How Long Can You Hold a Spell in 5e?

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The short answer? You can effectively hold a spell until the start of your next turn using the Ready action. However, the intricacies surrounding this seemingly simple mechanic are where the real magic happens. Let’s delve into the depths of holding spells in Dungeons and Dragons 5th Edition and dispel any lingering confusion.

Understanding the Ready Action and Held Spells

The cornerstone of holding a spell lies in the Ready action. Instead of taking a standard action during your turn, you can choose to Ready an action. This means you select a perceptible trigger and a specific action you will take in response to that trigger. If the trigger occurs before the start of your next turn, you can use your reaction to perform the readied action.

When it comes to spells, the Ready action allows you to effectively “hold” a spell. You choose the Cast a Spell action as your readied action, select a spell you can cast, and then focus your magical energy, waiting for the specific trigger to occur. It’s important to remember that the spell slot is consumed as you ready the spell.

Concentration: The Key to Maintaining Your Hold

Maintaining concentration is crucial when holding a spell. The official rules state that you can only maintain concentration until the start of your next turn when using the Ready action with a spell (as clarified in Sage Advice). If you lose concentration for any reason, the spell is lost, and the spell slot is consumed. This could be due to taking damage, failing a concentration saving throw, or voluntarily ending concentration.

What Happens When the Trigger Occurs?

If the trigger you specified occurs before the start of your next turn and you have maintained concentration, you can use your reaction to release the spell. This effectively completes the casting of the spell at the moment the trigger occurs.

What Happens When the Trigger Doesn’t Occur?

If the trigger never occurs before the start of your next turn, and you have maintained concentration, you have a decision to make. You can choose to use your action on your turn to release the spell, completing its casting. Alternatively, you can choose to not release the spell. If you choose not to release the spell, the spell dissipates, and the spell slot is still consumed. The magical energy fizzles out because the window of opportunity to release it via the Ready action has passed.

Important Considerations and Caveats

Casting Time: Most spells have a casting time of 1 action. The Ready action only allows you to hold spells with a casting time of 1 action. Spells with longer casting times cannot be held in this manner.
Lost Concentration: As previously stated, losing concentration at any point before the spell is released will cause the spell to be lost.
Reactions: Be mindful of other potential uses for your reaction. If something occurs that allows or requires you to take another reaction before your trigger occurs, you may not be able to use your reaction to release the held spell.
Flexibility: While the Ready action provides a degree of flexibility, it’s not a substitute for proper planning and positioning. Consider the potential downsides of holding a spell before committing to the action.

FAQs: Holding Spells in 5e

Here are 15 frequently asked questions to further clarify the mechanics of holding spells in 5e:

Does holding a spell count as casting it? No. You are casting a spell only when you take the Cast a Spell action, or in this case when you release the spell as a reaction. The Ready action sets up the casting, but the spell isn’t fully cast until it’s released.
Does holding a spell use the spell slot? Yes. The spell slot is consumed as soon as you ready the spell.
Can you cancel a spell you’re holding? No, not easily. Unless the spell description allows you to dismiss it, the primary way to “cancel” a held spell is to break concentration. If you do that, the spell dissipates and the spell slot is still consumed.
Can I cast a different spell as a reaction if I’m holding a spell? Generally, no. The rules state if you ready a spell, that spell is your reaction. If something happens before the trigger, then no you cannot use your reaction for another spell.
If my trigger occurs, but I choose not to release the spell, what happens? The spell dissipates at the start of your next turn, and the spell slot is still consumed.
Can I hold a spell that requires a bonus action to cast? No. The Ready action can only be used with spells that use an action to cast.
Does holding a spell affect invisibility? The act of readying a spell doesn’t inherently break invisibility, as you are not casting the spell until it is triggered. However, if the spell itself involves targeting an enemy or creating a visible effect, it could break invisibility upon release.
Do I lose a spell slot if the spell I’m holding fails (e.g., the target saves)? Yes. The spell slot is consumed when you ready the spell, regardless of whether the spell ultimately succeeds or fails.
Can you cast two leveled spells in a turn if one is a held spell? The rule against casting two leveled spells generally applies only to casting a leveled spell as a bonus action, and then casting a leveled spell as an action. If you held a spell and it is triggered, you could theoretically cast a leveled spell with your action, depending on what triggered the readied spell.
Does casting a cantrip break concentration on a held spell? No. Casting a cantrip does not break concentration, unless the cantrip itself requires concentration.
Can I hold a spell indefinitely if my trigger never occurs? No. You can only hold a spell until the start of your next turn. After that, the spell slot is lost, and the magic dissipates if not released.
Can a wizard regain the spell slot used to hold a spell with Arcane Recovery? Yes, provided the spell slot level meets the restrictions of the Arcane Recovery feature (half your wizard level rounded up, and no slots 6th level or higher).
If I ready a spell and then get hit by a Silence spell, what happens? You would likely lose concentration due to the spell requiring verbal components.
Can I use Action Surge to cast another spell on the same turn I release a held spell? Generally, yes. Action Surge allows you to take an additional action on your turn. Since releasing the held spell uses your reaction (not your action), you could still use your action (and Action Surge) to cast another spell, as long as other spellcasting rules aren’t violated (such as casting a bonus action spell and then a leveled action spell).
Does the Slow spell affect my ability to hold a spell? Yes. The Slow spell prevents affected targets from using reactions, therefore an affected character cannot ready a spell.

Conclusion: Mastering the Art of the Hold

Holding a spell in 5e through the Ready action is a valuable tactic that adds depth and flexibility to spellcasting. Understanding the mechanics of concentration, triggers, and reaction economy is essential to wielding this ability effectively. By mastering the art of the hold, you can become a more adaptable and strategic spellcaster in your D&D adventures.

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