The Strangler is a chaos entity worshipped by an assassin cult. Using narcotics in their worship members of this killing cult are very very dangerous.
Then all of a sudden, the victim gets convulsions and seizures, eyes bulging and mouth foaming.
“Sigh. Another mysterious, highly skilled assassin, with a difficult child hood and black clothes. Oh. This one has knives in his belt, not his boot. Well, at least it is not a Drow. ”
The Ethenorden is a dusk skinned race of nomadic humans that frequent all nations on the Dhargenaas continent, save for populated parts of the province of Silmar and the Obaayn Desert within the Empire.
Pick up a pathology/microbiology book, and add the diseases/syndroms to your game. Your players will freak out.
Coughed at? Diphteria. or tuberculosis?
Drunk from a muddy stream? Or just walked through? Well, let us introduce you to schistosomiasis...
Hit by a stream of energy? Too moch mana is ust like too much radioactivity - perhaps all mages could develop cancer early if too powerful...