"Elidyr Mwynfawr, King of Aeron, was a weak, greedy fool, and like many another such fool, he died of his folly. But because he was a King, in his dying he cost many better men their lives as well, and this was the way of it: for I, Gwernin Kyuarwyd, was there, and saw much of it myself, and the tale that I tell you is true..." In 6th century Wales, the ash spear - pren onn - was a symbol of warfare and of manhood, but it also stood for awen,...