This article is about second Skaven lore, Spells of Plague and most notorious spell known to man and rat, The Dreaded Thirteen Spell. Contrary to Spells of Ruin, this lore is used by Plague Priests and is all about plague and disease. Plague Priests are foul rats infected by various diseases that tend to spread them wherever they go. In Warhammer game, Plague Priest can be level 1 or level 2 wizard and can use spells of plague. This means that he can know one or two spells from this lore, and any spell can be substituted for Pestilent Breath spell. Besides their magic they are very strong for Skaven and can be mounted on Plague Furnace, making it very dangerous and deadly. Besides Plague Priest, Grey Seer can also use spells of plague, as he can mix spells from both Skaven books of magic. There are 6 spells of Plague and these spells are: Pestilent Breath, Bless with Filth, Wither, Cloud of Corruption and Plague.