Complex sentence: In an attack by Erling raiders, Dai is killed and his soul is taken by a fairy to the fairy queen, an event wtinessed by Alun who begins a relationship with one of the faeries.
Split into simpler sentences: In an attack by Erling raiders, Dai is killed and his soul is taken by a fairy to the fairy queen. Alun witnesses this event and later begins a relationship with one of the faeries.