spell slots short rest | spell slots short rest

You need to take a Long Rest to recover spell slots, except for one class, as Warlocks recover spells slots when taking a Short Rest.

Spell Slots. The Artificer Features table shows how many spell slots you have to cast your level 1+ spells. You regain all expended spell slots when you finish a Long Rest.

Potion of Angelic Reprieve functions as a short rest (in addition to recovering all expended and Spell Slots), if the character consuming it is left asleep and uninterrupted, for 2 turns.