HELLISH REBUKE The Tiefling Spell

At Higher Levels When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d10 for each slot level above 1st

It being a racial trait means its available even if your character doesn't have any spell slots

does it matter which m2 slot i use They are always cast at the highest possible level So at level 3 most full casters have four 1st level spell slots and two 2nd level slots,

does the pcie slot matter for gpu It does take a spell slot and your reaction both, yes It's considerably more powerful than the average opportunity attack, which is what you'd