User blog comment:Blackendedsoul/Zoro's Dense of Sirection!/@comment-3181121-20111220003205/@comment-3425840-20111220004819

Luffy? Ganja? Nah Panda, remember Luffy does not even drink, I bet it's some weird magnetic wave of Grand Line which only affects humans with strong jaw and as Zoro has a strong jaw (by holding his swords by his teeth) there you go :P