For spells that can be made permanent after multiple castings, does the effect need to be maintained continuously during the setup?

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There are a number of spells that normally have a 24-hour duration, but can be made permanent by casting them on the same target every day for a specified number of consecutive days. Examples include arcanist's magic aura (30 days) and private sanctum (1 year). They all include a wording similar to




Casting this spell on the same spot every day for a year makes this effect permanent.




The logical implication of this cause seems to be that the effect becomes permanent once it is maintained continuously for an extended period. However, interpreting it in this way leads to some pathological issues. For example, if I cast private sanctum at 1:00 PM today but wait until 1:05 PM tomorrow to cast it again, there will be a 5-minute window tomorrow where no private sanctum spell is active. So, to ensure continuity, I either need to cast the spell every day at precisely 1 PM, or in the absence of precise timekeeping technology, I need to leave a safety margin by casting it a little earlier on the following day, say 12:55 PM. However, if I keep doing the latter, the casting time will be pushed earlier and earlier, until I'm waking up in the wee hours of the morning to cast the spell, and eventually even having to cast the spell twice in one day. e.g. at 12:05 AM and 11:55 PM (assuming you consider midnight to be the point of transition from one day to the next).



Given all this, does the requirement of casting a 24-hour spell on consecutive days imply that there must be no "gaps" between the durations of consecutive castings, such that the spell's effect is maintained continuously for the entire "setup period", or is it ok to have gaps, as long as the spell is cast at least once each day?










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  • I think "Additionally, would the chain of consecutive castings be broken if the spell is dispelled or dismissed early?" is a completely different question. I recommend editing that out and asking a separate question so that you get good answers for both.
    – Bloodcinder
    1 hour ago






  • 1




    Ok, I'll remove that part.
    – Ryan Thompson
    1 hour ago















up vote
4
down vote

favorite












There are a number of spells that normally have a 24-hour duration, but can be made permanent by casting them on the same target every day for a specified number of consecutive days. Examples include arcanist's magic aura (30 days) and private sanctum (1 year). They all include a wording similar to




Casting this spell on the same spot every day for a year makes this effect permanent.




The logical implication of this cause seems to be that the effect becomes permanent once it is maintained continuously for an extended period. However, interpreting it in this way leads to some pathological issues. For example, if I cast private sanctum at 1:00 PM today but wait until 1:05 PM tomorrow to cast it again, there will be a 5-minute window tomorrow where no private sanctum spell is active. So, to ensure continuity, I either need to cast the spell every day at precisely 1 PM, or in the absence of precise timekeeping technology, I need to leave a safety margin by casting it a little earlier on the following day, say 12:55 PM. However, if I keep doing the latter, the casting time will be pushed earlier and earlier, until I'm waking up in the wee hours of the morning to cast the spell, and eventually even having to cast the spell twice in one day. e.g. at 12:05 AM and 11:55 PM (assuming you consider midnight to be the point of transition from one day to the next).



Given all this, does the requirement of casting a 24-hour spell on consecutive days imply that there must be no "gaps" between the durations of consecutive castings, such that the spell's effect is maintained continuously for the entire "setup period", or is it ok to have gaps, as long as the spell is cast at least once each day?










share|improve this question























  • I think "Additionally, would the chain of consecutive castings be broken if the spell is dispelled or dismissed early?" is a completely different question. I recommend editing that out and asking a separate question so that you get good answers for both.
    – Bloodcinder
    1 hour ago






  • 1




    Ok, I'll remove that part.
    – Ryan Thompson
    1 hour ago













up vote
4
down vote

favorite









up vote
4
down vote

favorite











There are a number of spells that normally have a 24-hour duration, but can be made permanent by casting them on the same target every day for a specified number of consecutive days. Examples include arcanist's magic aura (30 days) and private sanctum (1 year). They all include a wording similar to




Casting this spell on the same spot every day for a year makes this effect permanent.




The logical implication of this cause seems to be that the effect becomes permanent once it is maintained continuously for an extended period. However, interpreting it in this way leads to some pathological issues. For example, if I cast private sanctum at 1:00 PM today but wait until 1:05 PM tomorrow to cast it again, there will be a 5-minute window tomorrow where no private sanctum spell is active. So, to ensure continuity, I either need to cast the spell every day at precisely 1 PM, or in the absence of precise timekeeping technology, I need to leave a safety margin by casting it a little earlier on the following day, say 12:55 PM. However, if I keep doing the latter, the casting time will be pushed earlier and earlier, until I'm waking up in the wee hours of the morning to cast the spell, and eventually even having to cast the spell twice in one day. e.g. at 12:05 AM and 11:55 PM (assuming you consider midnight to be the point of transition from one day to the next).



Given all this, does the requirement of casting a 24-hour spell on consecutive days imply that there must be no "gaps" between the durations of consecutive castings, such that the spell's effect is maintained continuously for the entire "setup period", or is it ok to have gaps, as long as the spell is cast at least once each day?










share|improve this question















There are a number of spells that normally have a 24-hour duration, but can be made permanent by casting them on the same target every day for a specified number of consecutive days. Examples include arcanist's magic aura (30 days) and private sanctum (1 year). They all include a wording similar to




Casting this spell on the same spot every day for a year makes this effect permanent.




The logical implication of this cause seems to be that the effect becomes permanent once it is maintained continuously for an extended period. However, interpreting it in this way leads to some pathological issues. For example, if I cast private sanctum at 1:00 PM today but wait until 1:05 PM tomorrow to cast it again, there will be a 5-minute window tomorrow where no private sanctum spell is active. So, to ensure continuity, I either need to cast the spell every day at precisely 1 PM, or in the absence of precise timekeeping technology, I need to leave a safety margin by casting it a little earlier on the following day, say 12:55 PM. However, if I keep doing the latter, the casting time will be pushed earlier and earlier, until I'm waking up in the wee hours of the morning to cast the spell, and eventually even having to cast the spell twice in one day. e.g. at 12:05 AM and 11:55 PM (assuming you consider midnight to be the point of transition from one day to the next).



Given all this, does the requirement of casting a 24-hour spell on consecutive days imply that there must be no "gaps" between the durations of consecutive castings, such that the spell's effect is maintained continuously for the entire "setup period", or is it ok to have gaps, as long as the spell is cast at least once each day?







dnd-5e spells time permanency






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edited 16 mins ago

























asked 1 hour ago









Ryan Thompson

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  • I think "Additionally, would the chain of consecutive castings be broken if the spell is dispelled or dismissed early?" is a completely different question. I recommend editing that out and asking a separate question so that you get good answers for both.
    – Bloodcinder
    1 hour ago






  • 1




    Ok, I'll remove that part.
    – Ryan Thompson
    1 hour ago

















  • I think "Additionally, would the chain of consecutive castings be broken if the spell is dispelled or dismissed early?" is a completely different question. I recommend editing that out and asking a separate question so that you get good answers for both.
    – Bloodcinder
    1 hour ago






  • 1




    Ok, I'll remove that part.
    – Ryan Thompson
    1 hour ago
















I think "Additionally, would the chain of consecutive castings be broken if the spell is dispelled or dismissed early?" is a completely different question. I recommend editing that out and asking a separate question so that you get good answers for both.
– Bloodcinder
1 hour ago




I think "Additionally, would the chain of consecutive castings be broken if the spell is dispelled or dismissed early?" is a completely different question. I recommend editing that out and asking a separate question so that you get good answers for both.
– Bloodcinder
1 hour ago




1




1




Ok, I'll remove that part.
– Ryan Thompson
1 hour ago





Ok, I'll remove that part.
– Ryan Thompson
1 hour ago











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Neither spell that you pointed out makes any kind of explicit reference to a need to keep the effect continuously active. Therefore, it can be inferred that merely casting the spell once per day is sufficient to gain the permanent effects irrespective of whether it is "a few minutes late/early" at the time of casting. As long as the spell is cast once between midnight and midnight, it qualifies for that day.



5th Edition spells generally do only what they say they do. The lack of a qualifier saying the effect must be strictly continuous should not imply the existence of such a requirement.






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    Neither spell that you pointed out makes any kind of explicit reference to a need to keep the effect continuously active. Therefore, it can be inferred that merely casting the spell once per day is sufficient to gain the permanent effects irrespective of whether it is "a few minutes late/early" at the time of casting. As long as the spell is cast once between midnight and midnight, it qualifies for that day.



    5th Edition spells generally do only what they say they do. The lack of a qualifier saying the effect must be strictly continuous should not imply the existence of such a requirement.






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      up vote
      7
      down vote













      Neither spell that you pointed out makes any kind of explicit reference to a need to keep the effect continuously active. Therefore, it can be inferred that merely casting the spell once per day is sufficient to gain the permanent effects irrespective of whether it is "a few minutes late/early" at the time of casting. As long as the spell is cast once between midnight and midnight, it qualifies for that day.



      5th Edition spells generally do only what they say they do. The lack of a qualifier saying the effect must be strictly continuous should not imply the existence of such a requirement.






      share|improve this answer






















        up vote
        7
        down vote










        up vote
        7
        down vote









        Neither spell that you pointed out makes any kind of explicit reference to a need to keep the effect continuously active. Therefore, it can be inferred that merely casting the spell once per day is sufficient to gain the permanent effects irrespective of whether it is "a few minutes late/early" at the time of casting. As long as the spell is cast once between midnight and midnight, it qualifies for that day.



        5th Edition spells generally do only what they say they do. The lack of a qualifier saying the effect must be strictly continuous should not imply the existence of such a requirement.






        share|improve this answer












        Neither spell that you pointed out makes any kind of explicit reference to a need to keep the effect continuously active. Therefore, it can be inferred that merely casting the spell once per day is sufficient to gain the permanent effects irrespective of whether it is "a few minutes late/early" at the time of casting. As long as the spell is cast once between midnight and midnight, it qualifies for that day.



        5th Edition spells generally do only what they say they do. The lack of a qualifier saying the effect must be strictly continuous should not imply the existence of such a requirement.







        share|improve this answer












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        answered 1 hour ago









        Xirema

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