Help me with this "What if"

[combatmedic]

Originally Posted by Peter Knutsen

Not yet. When was it written?

I became aware of Gerbert due to Judith Tarr's novel "Ars Magica", which was published at about the same time the RPG came out. Gerbert is also part of the RPG's Mythic Europe's backstory, where he was a very evil diabolist (I think it's detailed in the Rome Tribunal supplement for 3rd Edition).

It was first published in 1888 AD.