do domain spells use spell slots

From bg3.wiki. ... Spellcasting Level 1 spell slots unlocked: 3 You gain an additional level 1 spell slot. Prepared spells Choose a number of spells = 2 (Cleric level) + Wisdom modifier (Minimum of 1 spell.).

Instead of regaining spell slots, the Staff of Power does something even better. With it, the Sorcerer will have 20 charges, which they can use to cast a variety of spells.

This sorcerer spell list includes optional spells available from Tasha's Cauldron of Everything. For the sorcerer spell list without optional spells, see Core Sorcerer Spell List.