TheCosmicKid
Hero
I know quite a few people are rather underwhelmed by 5E's take on good ol' Spell Resistance. I just had an isolated bit of inspiration:
The question is what to do about spells and other magical effects not produced by spell slots.
Magic Resistance. This creature is immune to spells cast with spell slots. A spellcaster can overcome this immunity when casting a spell by expending an additional spell slot of the spell's level or higher.
The question is what to do about spells and other magical effects not produced by spell slots.