Hewkii robot was sent to the bottom of the ocean to destroy clumps of oil and carbon dioxide with the help of his harpoon. Each ball can be destroyed, and even give you an extra bonus that may be hiding inside. However, ignore the security measures is not necessary, because clumps falling Bionicle also cause him harm. If you fail the first attempt to destroy the ball, dodge it and try to get into it again. Very soon, the consequences of oil production will be eliminated - and the nature cleanse!