Complex sentence: When Cassim and Iago arrive at the thieves lair Saluk has them tied up and they sail away, trying to find the Vanishing Island, where the hand of Midas is, with the oracle's help.
Split into simpler sentences: When Cassim and Iago arrive at the thieves'lair, Saluk has them tied up. The thieves sail away, trying to find the Vanishing Island, where the hand of Midas is, with the oracle's help.