Jack evaded the giant by staying beneath the water surface in Jack the Giant Slayer .
At the top , they discover the giants ' realm and decide to split into two groups : one with Jack , Elmont , and Crawe , and the other including Roderick and Wicke , but not before Roderick forcibly takes the remaining beans from Jack ( although Jack manages to save one for himself ) .Jack 's group is trapped by a giant , who takes Elmont and Crawe prisoner while Jack escapes by hiding underwater .