User blog comment:Dinosel/One Piece Discussion/Theory! Shanks vs Mihawk!/@comment-203.190.41.37-20160723185155/@comment-28966845-20160724082532

What zorro meant was that someone with 1 sword can reach the same potential with someone with more than 1 swords. Zoro himself chose to unlock his full potential with 3 swords. Shanks seems like he is unlocking his full potential with just 1 sword.