3e: Knowing What Love Is
Back in 3rd edition D&D part of the worldbuilding was done through Gods. Rather than give every single god a particular unique mechanic as was the trend in second edition (the rarely-spoken-of-on-this-blog 2e, for fear Lorraine Williams will sue me, on the internet), this was handled by creating a set of tools available for every god,and that god gave you a handful of them.
