Mallificarum Sumpta Diabolicite Occularis Singularum
Bequeathed to Eric by his late relative:- a demon-summoning grimoire whose initials spell the potent and evil runic inscription MS Dos. The title refers to the evil single eye, which could refer to Tolkien's Sauron peering through the Calontir but is more likely to refer to the glowing screen of a computer,
- This article is a stub. One can help Discworld & Terry Pratchett Wiki by .