Complex sentence: The victorious Ragnvald is stated to have only reigned as king for four days; on the fourth day Godred arrived on the island with a large host, and had Ragnvald seized, emasculated, and blinded.
Split into simpler sentences: The victorious Ragnvald is stated to have only reigned as king for four days. On the fourth day Godred arrived on the island with a large host, and had Ragnvald seized, emasculated, and blinded.