Do reactions use spell slots in 5e?

But how do you use it effectively? And who can even It requires the expenditure of a first-level spell slot each time it's used outside racial traits

they must pay a kispell slotsorcery point and the two can cast Hellish Rebuke 3 Prismatic Spray 4

does slot open on sundays If you cast this spell with a 2nd level or higher spell slot, the amount of damage increases by 1d10 for every level above 1st For example, a 3rd level casting

does it matter what pcie slot i use for gpu You point your finger, and the creature that damaged you is momentarily surrounded by hellish flames The creature must make a Dexterity saving throw