Hellish Rebuke doesn't require a spell slot (if I'm reading it right

D&D 5E - Hellish Rebuke customising does hellish rebuke use a spell slot 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 does ritual casting use a spell slot Can be used once per Long Rest reaction icon bg3 wiki guide Reaction + spell slot icon baldursgate3 wiki guide 25px Spell Slot Hellish

does running aces have slot machines Hellish Rebuke can be cast as a reaction, which the caster takes when he is damaged by another creature The spell deals 2d10 fire damage to the target