Dai Cadarn is the brother of Arianwyn. He is a master of magic, although his brother beats him at archery. When Arianwyn was announced as the new lord of the Cadarn Clan, he left. His whereabouts are currently unknown.
- ^ a b Arianwyn, RuneScape. "My brother Dai was always a bit better than I am at magic - one of the skills held dear. But there were none who could hold a crystal to my skills with a bow."
- ^ Arianwyn, RuneScape. "So on the day that they announced me as the new lord of Clan Cadarn, my brother left."
- ^ Arianwyn, RuneScape. "I don't know my friend, I wish I did."