Demons are not notoriously cheerful, happy, bubbly, or even remotely nice. Ponies are not notoriously cruel, mean, callous, or evil as a rule. So when Gakham, an imp from another realm is unexpectedly banished, what he finds is... hell.
Hades, Lord of Death and God of the Underworld, is bored. Residing in Tartarus gets tiring for a God. So he decides to visit Equestria for a bit. And maybe make new allies so he can take over Olympus.
Living in Equestria under a false name and racial identity is one thing. Finding out you're not the only one of your kind stranded here is another... especially when that someone and the element bearers are looking for you.
All his life, Iron Will has been strong. He's transformed ponies from doormats into dynamos. He's never fallen in a fight, he's never given way in an argument. And now he is dying.
To save his life, Iron Will needed to find a mare, convince her to pretend to be his true love, convince his brother that they were in love and then fake his death heroically defending her from... something, and he had one afternoon to do it in .
Adrift in a sea of fearful adoration born from residual terror, how can Cadance possibly hope to get honest criticism out of anypony? By making it mandatory.
Twilight finds a spell that has a very peculiar outcome and decides she needs someone to test it on. Spike's not so fond of the idea, nor the fact that she always uses him for experimental purposes. Maybe its time to speak his mind about it....