He was struggling with a very large conger, and holding fast with one hand to the side of the vessel, in order to seize with the other the gaping jowl of his antagonist, when the master said to him, Take care they don't see you from Belle-Isle.
In Naruto each base-element is stronger and weaker than one element:-. Fire: strong against Wind, weak against Water. Wind: strong against Lightning, weak against Fire. Lightning: strong against Earth, weak against Wind. Earth: strong against Water, weak against Lightning.
Naruto, sensing her killing intent, arrived and shielded Boruto, and was knocked out in the process due to the attack landing on one his chakra points. Fearful of what an attack that could knock-out his father would do to him, Boruto tried to run from Himawari, although she easily located him hiding in a closet.