Trainer: "... so, you're the new recruit? I lived a long life but never saw someone so... scrawny, and limp-looking, as you do. Best to put you in shape before the Succubus Demon Army take you to the underworld."
An auction scene. Selling "products", having the buyers and bodyguards interact in some meaningful way and an underlying plot going under the sheets.
Not sure what else should I do with this kind of scene. Introduce some characters, a few hooks dependant on their actions and other hooks that...