Zoro is one of the strongest fighters in the One Piece world, and the fact that Luffy has him as one of his two wings is a blessing to him. Fans know Zoro is driven by two things in particular. The first thing is to be the world's best swordsman, which is something that he promised to Kuina in his childhood. The second thing that drives Zoro is making Luffy the Pirate King. Zoro is an incredibly exciting character and one that has amassed many fans over the years.