Red Flags for DMs?

[Honest Tiefling]

It also has some interesting options for characters who want children but wouldn't normally be able to have them. I actually had a character once who had that as a motivation - her and her partner weren't able to have children naturally, so they were seeking a solution.

And when two kingdoms of people are about to go to war, suddenly finding a magical means of reproduction for the beautiful dwarven princess and her elven wizard lover doesn't seem that out of place for a world with nobility.