Saga and Zoro were peers and close friends as children. Zoro aspired to be the greatest swordsman alive, while Saga aimed to become the sword of justice. Later in their lives, their paths crossed again, and they worked together to fight pirates. When Saga was lost at sea, Zoro thought he had died until he came to Asuka Island. Zoro quickly realized that Saga was under the Shichiseiken’s influence, and he hated Saga’s corrupted form.

Saga: looks at zoro it's been a while, Zoro.

Zoro: walks away