OP says any rest (short or long) will bring it back. Is that wrong?With only one use per day, you would need to be even more clever. But it's still a great feature.
It says short or long in the book.OP says any rest (short or long) will bring it back. Is that wrong?

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.