Powdered black opal + powdered orl = a powerful explosive. How much of both gems would need to be mixed?

Tony DiTerlizzi is back on Dungeons & Dragons!

How rare is a Wizard able to cast high level spells in Forgotten Realms?

If a party of well regarded heroes subtlety displease one of the ruling families of Melvaunt, what would be the consequence

Aren’t the Halruaans descended from the Netherese ?