[MX]

All horrormarks are cumulative, no matter from spells or items. The value of "horror mark" is stored in a single byte near your magic paths. You can check the memory address if you are interested. The value of "horror mark" keep increasing while you are carrying certain items or hitted by certain spells, etc. However at each time the amount it increases depends on every single hit/item. When the accumulative value goes higher, that commander are more attractive to powerful horrors...