From Andrew Gronosky's Ars Magica Site

Ùisdean is a magus ex Miscellanea, a follower of the Damhadh-Duidsan. He has Giant Blood and hails from an unknown covenant in Wales.

Past Encounters

Ùisdean defeated Caballus in the first round of the Journeymen's Dimicatio of the Stonehenge Tournament of 1194. In the second round, he lost to Peregrine. Ùisdean relied heavily on Terram magic during the tournament.