I made an interactive story as the origin of my Ironjawz army. Here's a link: http://chumak.io/twine-megaboss-charnush/
I wanted at least the boss to have a more complex motivation than the usual Ironjawz "biggest, baddest and out to prove it". So I figured what if he's Waaagh!-deaf and doesn't get what the fuss is all about (probably thinks it's all a scam by those pesky shamans!).
Anyway, I hope you like! Any and all feedback is super welcome. If you're curious about the technical side, it's a Twine story hosted on GitHub Pages.