Spell Slots in D&D 5e: All You Need to Know!
A Warlock’s spell slots are its biggest weakness. Up until 10th-level they only have two spell slots per short rest, and only ever get up to four spell slots at the 20th-level.
The Best Way To Determine Spell Save DC - Defense Against The Arcane Arts
Understanding how spells work is incredibly important in 5e. Learn how to calculate Spell Save DCs, how to improve them, and what a good DC to aim for is.
The Abacus - Talesmith Tavern - talesmithtavern.com
Multiclass Spell Slots Calculator. ... This calculator will tell you how many spell slots you have of each level, according to the multiclassing rules in Chapter 5 of the PHB.