Classes like the artificer can prepare a new spell list in 1 minute, can an artificer cast a long-duration spell such as false life (1 hour), and immediately prepare a new spell list while retaining false life's effects?
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3Does this answer your question? Can you cast a spell just before the end of a long rest? – Someone_Evil Apr 28 '20 at 10:43
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@Someone_Evil I don't think it's a duplicate. The other question is rather cheesy and I'm 95% sure my DM wouldn't allow it. This, on the other hand, is a valid use of a class feature imho (provided it works, I haven't combed through the rules). – PixelMaster Apr 28 '20 at 10:47
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@Someone_Evil not really, resting and preparing spells are different mechanics with different constraints. Though thanks for the suggestion nontheless. – Miguel Bartelsman Apr 28 '20 at 10:50
1 Answers
An Artificer cannot change their prepared spell list in 1 minute
Artificers prepare their spell list as follows:
You can change your list of prepared spells when you finish a long rest.
A long rest takes eight hours, (four if you're an elf).
During that long rest, in order to change your spell list you must spend time:
tinkering with your spellcasting focuses: at least 1 minute per spell level for each spell on your list.
However, these changes won't be in effect until you 'finish a long rest'.
That said, you can indeed 'cast a long-duration spell [..] and then immediately prepare a new spell list while retaining [its] effects'.
Unfortunately false life wouldn't work that well for this - as its duration is only an hour long, much shorter than the length of a long rest - but something like water breathing (duration 24 hours) would.
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thanks for the answer, I don't know how I missed the long rest part – Miguel Bartelsman Apr 28 '20 at 11:30