Board Thread:Boruto Discussions/@comment-25319479-20181020083112/@comment-734582-20181024164033

Hawkeye2701 wrote: Still some leaps there I wouldn't personally make. I think it's too soon to assume there's more than one alien group interested in the ninja world at this point, or assume that they've ended up here and yet flew under the radar like Kara has. I agree. But we've seen people being able to extinguish their chakra (e.g. Karin and Muu) and utterly hide from sensors that way. It doesn't require anything special like being an alien or a Zetsu.