Complex sentence: While travelling out of the island of Morrowindl he managed to get hold of the Rukh Staff and tried to escape Morrowindl alone, but he was caught and killed by Wisteron before he could be saved by his companions.
Split into simpler sentences: While travelling out of the island of Morrowindl he manages to get hold of the RukhStaff and tries to escape Morrowindl alone. He was caught and killed by Wisteron before he could be saved by his companions.