shadow demon's curs

you have been  cursed by a shadow like creacher . the curs leaves a black marking that slowly creeps along you body. once the marks comsome you body you will die.(to determine how long it takes the marks to consome you role 2D100 divided by 5. and thats how many con saving throws of a DC16 you must fall. mack a saving throw every dawn. on a fall the marks spread and you tack 2d6 damage) you also must mack a saving throw when you use shadow burst.(to determine how long it takes the marks to consome you role 2D100 divided by 5. and thats how many con saving throws of a DC16 you must fall. mack a saving throw every dawn. on a fall the marks spread and you tack 2d6 damage)