Blood Curse of Spell Sunder. Does it give advantage on saves against non direct spells?

Order of Mutant, Potency Mutagen- what does it mean “increase by an amount equal to your mutation, as does your Strength maximum” ?

Do you think plugging pre-gen Modules into the Tal’Dorei guide would work?

Blood Hunter question: if you multiclass into it, does crimson rite damage you equal to your overall character level?