The last person to die in pursuit of this king was Osla, whose knife  fell out while he was in the water.
The last person to die in pursuit of this king was Osla, whose knife  fell out while he was in the water. Immediately after this king  disappears, the people who were pursuing him obtain blood from the  black hag. We first meet this king, who lost his human form, when our  heroes visit Ysgeir Oervel. This figure's son Grugyn Silver Bristles speaks  with Gwrhyr as part of a negotiation. In between the ears of this creature are a  pair of scissors, a comb, and a razor, which a hero recovers along with King  Arthur for the giant Ysbaddaden. For 10 points, name this boar hunted by  Culwch.
The last person to die in pursuit of this king was Osla, whose knife  fell out while he was in the water.
Twrch Trwyth [as long as they get the consonants right, it should  be fine, be leninent on the vowels. Expect a pronunciation of “Tweerch Tra-  with,” but obviously take more than just that]