level 20 wizard spell slots
Wizard Spell Slots 5e D&D + Spellbooks Explained!
To answer such burning questions you’ll need an understanding of spell slots in D&D 5e. ... For a deeper dive into Wizard spell slots, see our article – Wizard Spell Slots 5e + Spellbooks Explained!
D&D Guide - How to Play a 5e Sorcerer - Bell of Lost Souls
As a Sorcerer you have the highest number of daily spell slots available to a character of their level (tied with the Bard 5e, Cleric 5e, Druid 5e, and Wizard).
Artificer Multiclassing and Spell slots - forums.giantitp.com
Some spells require Spell Slots of a certain level, like the 2nd level Scorching Ray needing a 2nd Level Spell Slot or more to work, and not being able to be cast with a 1st Level Spell Slot.