Who wants to role play dying of a disease?Did you ever have a pc level 3 or higher die from a not thrid party or home brew disease?
how to you make disease threatening for PC NPC and civilizations?
how fast do disease spreads in a city like waterdeep per day?
or in a places phandalin?

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.