B/X Dungeon: Wyrmwood Manor

From the moment you enter the old manor on the hill you need to make a charisma check every turn in the manor or accrue one point of disease.

 Disease Table
Pt         Disease
0-5       Cure Disease removes affliction.
06-09   Epilepsy (cha check required in melee)
10-13   Lycanthropy (Were-rat).
14        Berserker (cha check in melee)
15-16   Incurable Leprosy (-1 Con, -2 Cha)
17        Minor Rot (-2 Con, -2 Cha)
18        Major Rot (-5 Con, -5 Cha)
19        Vampirism
20+      Lichdom     

+1        per magic item from manor.