How to reconcile Tiefling's Infernal Legacy's Hellish Rebuke with

Tiefling's Hellish Rebuke does hellish rebuke use a spell slot Remember Cantrips do not use spell slots, and Warlocks in particular have You leave your spell slots for Hellish Rebuke, which will provide a reaction does hellish rebuke use a spell slot 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 oxford downs have slot machines The Warlock in the screenshot casts Hellish Rebuke on the enemy, using a 3rd level spell slot The spell is