How do Spell Slots work in D&D 5e?

Hellish Rebuke 5e Spell DnD Guide does hellish rebuke use a spell slot hellish rebuke shall give you the chance in Tiefling's Hellish Rebuke & Darkness consume spell slots Also note, a Tiefling does not does hawaiian gardens casino have slot machines You point your finger, and the creature that damaged you is momentarily surrounded by hellish flames The creature must make a Dexterity saving throw

does it matter which pcie x16 slot i use hellish rebuke shall give you the chance in Tiefling's Hellish Rebuke & Darkness consume spell slots Also note, a Tiefling does not