Tethtain

Tethtain Hernystiri

Called "The Holly King".

Fifth king of the Hayholt, which he took from King Sulis.

Founded a library in the city of Crannhyr, which is called "Tethtain Library" today. At this place Doctor Morgenes met Padreic for the first time.

There's a Hernystir fable about an ax he buried in a beech tree, where it is supposed to still be stuck until today.

Mentioned in the Six Kings Rhyme.