Quote Originally Posted by bobbin View Post
You'd have to ask someone from the team for that one too, I got it from the biography of the Casse faction leader (again I'm willing to trust them in this), I'm guessing its from one of the various Irish "Cycles" stories that cover the early history of ireland.
I think this one of those bits of EB for which the sources could not be found. A lot of the team's early Celtic material hasn't been properly referenced, so the team decided to redo most or all Celtic material for EB2.