Board Thread:Boruto Discussions/@comment-33758328-20171201171033/@comment-25122992-20171201171644

Kekkei Genkai cannot be unlocked, you either have it genetically or not. Yeah, Boruto is skilled in basic nature transformations, but there's currently no reason to think that he has any genes to use some KKG nature. The only KKG he obviously possesses is his unique doujutsu.