During this time , Sara saves all the children , with the help of Kazam at the cost of his life .
When Shu jumps down to rescue Lala - Ru , she uses her water powers to overflow the core of the battleship .
During this time , Sara saves all the children , with the help of Kazam at the cost of Shu 's life .
When Shu jumps down to rescue Lala - Ru , she uses her water powers to overflow the core of the battleship .