wizards spell slot
Create Spell Slot | Baldurs Gate 3 Wiki
There are six levels of spells and each spell can only be cast using a spell slot of an appropriate level. So, if a character wanted to use Fireball, a level 3 spell, they'd need to unlock a level 3 spell slot to use it.
How to Get More Spell Slots in Hogwarts Legacy - YouTube
How to Get More Spell Slots in Hogwarts Legacy guide shows how to switch and unlock three more spell set slot diamonds through the spell knowledge I, II and ...
Smite - bg3.wiki
Level 3 Shadow Spell Slot - Gale gains an additional level three spell slot, separate from normal spell slots. Recharges per long rest.