An infusion That includes wine, an owl feather, and crushed pearl (...)
Making identifying magic items take more time and energy at the gaming table won't necessarily make them mysterious. It may marginally reduce the number in play, if players (i) won't use un-Identified items, and (ii) don't bother to have their PCs identify all the ones they find. Alternatively, it may increase the amount of play-time spent resolving item-identification.more rare and mysterious
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the rules should stipulate to be attune with a magical item that will require a long rest instead of a short rest and I wonder if it would not be too easy even with that.