short rest 5e spell slots - dnd 5e 2014 - How can I get better at identifying the "right time ... omg slot 888

Warlock spell slots regenerate on a Short Rest. 2. Sorcerer’s Font of Magic allows you to convert Spell Slots into Sorcery Points and vice versa.

Another advantage of the warlock class largely negates this class's main weakness: regaining all spell slots after a short rest.

Cantrips do not expend spell slots and can be cast at will. Depleted spell slots are generally replenished by taking a Long Rest (Short Rest for Warlocks), though there are methods of creating additional slots, or replenishing expended ones.

All spellcasters regain spell slots during a long rest - except the DnD Warlock, who can also do so during short rests. Other classes get some long rest buffs too, though.