I read through an imp's statblock out of curiosity, because I assumed it was either resistant or outright immune to fire. I was right... but I also found out it was resistant to bludgeoning. So now I just have this mental image of Flicker pointing at the imp and shouting...

[color=f7941d]"There's two things I'm really good at: punching and setting things on fire, and this little shit is resistant and immune to both respectively!"[/color]